identifier	taxonID	type	CVterm	format	language	title	description	additionalInformationURL	UsageTerms	rights	Owner	contributor	creator	bibliographicCitation
3153364C4235FFB9FE82EF810E33FC95.text	3153364C4235FFB9FE82EF810E33FC95.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Austinixa marianae Ayón-Parente 2021	<html xmlns:mods="http://www.loc.gov/mods/v3">
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            <p> Austinixa marianae sp. nov.</p>
            <p>(Figs. 1–3)</p>
            <p>Zoobank: urn:lsid:zoobank.org:act: 9024A9C9- 37B0-4222-A0B2-A212679FECA1</p>
            <p>Material examined. All from Marina R iviera</p>
            <p>  Nayarit at  La Cruz de Huanacaxtle , Nayarit </p>
            <p> (20°45’N 105°24’W).  Holotype: male, CW 5.7, CL 2.2 mm (ICML-EMU 12530), intertidal, fine sand, 2 September 2018, coll. R .   García de Quevedo , ARH, MAP and JSB  .  Paratypes: 1 male CW 6.7, CL 2.4 mm and 1 ovigerous female, CW 6.8, CL 2.6 mm (ICML-EMU 12531), same collection data as in the holotype. 1 male, CW 6.5, CL 2.1 mm (LEMA-CCR 650), 27 May 2020, coll. MAP .  2 males CW 4.3–5.4, CL 1.7–1.9 mm and 1 ovigerous female, CW 7.1, CL 2.9 mm (ICML-EMU 12532), 22 August 2020, coll. R .   García de Quevedo and ARH  ,  2 males CW 4.4–6.0, CL 1.8–2.1 mm and 1 ovigerous female, CW 7.9, CL 2.7 mm (ICML-EMU 12533), 23 August 2020, coll. R .   García de Quevedo and ARH  . </p>
            <p>Size. Males, CW 4.3–6.7, CL 1.7–2.4 mm (N = 7); ovigerous females, CW 6.8–7.9, CL 2.6–2.7 mm (N = 3)</p>
            <p>Diagnosis. Carapace transverse ridges on branchial regions nearly reaching orbit and turning towards posterior before reaching lateral margins; male carapace with dorsal patch of setae anterior to cardiac ridge; P4 propodus opposable margin bicarinate; P4 merus with bare depression on posterodistal half; P5 dactylus triangular in sectional view, margins serrated; male pleon triangular, telson rounded, longer than sixth pleonite.</p>
            <p>Description. Carapace (Fig. 3A–B) smooth, punctate, 2.7–2.8 times wider than long, high, cardiac crest extending from side to side across cardiac region, above posterior margin; sharp, non-tuberculate branchial ridges, not extending to orbit and turning laterally towards posterior end before reaching lateral margin. Male carapace (Fig. 3A) with large patch of setae anterior to cardiac crest, narrower towards the central part. Female carapace (Fig. 3B) slightly depressed in mid-back, with no setose dorsal patch. Rostrum with low anterior median depression, two lateral grooves between rostrum and orbital regions. Orbits approximately 0.6 times width of rostrum.</p>
            <p>Antennae about 1.3 times longer than width of front, (Fig. 3A–B, D) with 9 articles, third being the longest.</p>
            <p>Third maxilliped (Fig. 3C) ischiomerus fused, elongate; carpus almost as long as propodus; propodus and dactylus elongate, with long marginal setae, dactylus longer than propodus. Exopod with median protuberance on outer margin, f lagellum two-segmented ending in long setae.</p>
            <p>Chelipeds of males and female (Fig. 3F–I) similar in shape, but stouter in males. Chelae strong, stout, smooth but with a line of long plumose setae decreasing in size on internal surface, near and subparallel to inferior margin, extending from proximal margin of palm up to distal margin of pollex; palm dorsal margin with ridge along and continuing on dactylus exterior margin, nearly reaching tip, ventral margin nearly straight, with smooth concavity on distal third; pollex straight, about third to half as long as palm, cutting edge serrated, triangular tooth on proximal third followed by low concavity with a series of small teeth in males and a proximal tooth followed by a concavity and a plateau with tiny teeth in female gape very setose; dactylus almost as long as palm, def lexed downward, unarmed, cutting edge medially convex, serrated.</p>
            <p>Pereopods2–5 (Fig. 4A–E) slender, relative lengths P4&gt; P3&gt; P2&gt; P5; P2 with flexor margin of merus proximally convex, dactylus longer than propodus, almost straight, short setae on tip; P3 similar to P2, dactyl curved, short setae on tip; P4 the strongest, merus with crest on extensor margin following to carpus, with dorsodistal depression of about one third length of merus, f lexor margin bicarinate, anterior carina serrated, covered with short setae, propodus bicarinate, anterior carina serrated and setose, margin of posterior carina with minute teeth,dactylus curved carinae on anterior and posterior faces, anterior wider and setose, posterior thinner and shorter, on distal half of dactylus; P5 dactylus almost straight, with deflected tip, triangular in sectional view, all margins serrated.</p>
            <p>Male pleon (Fig. 3E) with 6 non-fused pleonites plus telson, tapering distally, short marginal setae from third to sixth pleonite, longer on telson; pleonite 1 subtrapezoidal, pleonites 2–6 trapezoidal, second pleonite about half length of third, pleonites 3–6 similar in width, telson longer than sixth pleonite, distally rounded. Ovigerous female pleon (Fig. 4J) wider than long, margins rounded, with 6 unfused pleonites plus telson, pleonite 1 about 0.8 pleonite 2 length, pleonites 3–5 of about same length, pleonite 6 slightly shorter than pleonite 5; telson shorter than pleonite 6, distal margin sinuous, apex slightly elevated.Male first gonopod(Fig.3G, H)as illustrated. Male second gonopod (Fig. 3L) much smaller than first, as illustrated.</p>
            <p>Distribution. Only known from the marina at La</p>
            <p>Cruz de Huanacaxtle, Nayarit, Mexico (Fig. 1).</p>
            <p>Etymology. The species name honors Mariana Salgado, the beloved daughter of the first author, in thanks for her invaluable support with the illustration of the new species.</p>
            <p> Remarks.  Austinixa marianae sp. nov. is the third species of  Austinixa recorded in the eastern Pacific coast. The new species can be separated from the other two species in this zoogeographical region (  A. felipensis and  A. cuestai ) by several morphological differences:  A. marianae sp. nov. has large branchial ridges that are absent in the other two species; the males of  A. marianae sp. nov. and  A. cuestai have a large dorsal patch of setae on carapace, anterior to the cardiac crest that is absent in  A. felipensis , but the carapace of males and females of  A. cuestai also have setose lateral regions, whereas in the new species these regions are bare. The P4 propodus is ventrally bicarinate in all three species, but only  A. marianae sp. nov. has P4 with a posterodistal depression in carpus. The new species is more similar to  A. roblesi , from Belize and the Atlantic coast of Panama, than to the rest of  Austinixa species. Austinixa marianae sp. nov. shares all the diagnostic characteristics indicated for  A. roblesi by Palacios Theil and Felder (2020a): “Carapace with each branchial region transversed by ridge, nearly reaching orbit, turning laterally sharply towards posterior; male carapace with dorsal patch of setae anterior to cardiac ridge; P4propodus opposable margin bicarinate; P4 merus with depression on posterior half of distal end of dorsal surface, depression not continuing into posterior surface”, but, in addition to the fact that the  A. marianae sp. nov. and  A. roblesi are distributed in two different zoogeographic regions (Fig. 1), they can be separated by several differences. Chelae of both males and females of  A. marianae sp. nov. are similar but those on males are more robust than in females. On the other hand, in  A. roblesi the fixed finger of chelae in males and females have a triangular median tooth on the inner margin that is absent in males of the new species. The dorsodistal depression in merus of P4 is setose in  A. roblesi while in the new species it is bare. Dactyli of P4 and P5 of the two species could also be different, as Palacios Theil and Felder (2020a) indicated that, in  A. roblesi , both P4 and P5 have dactyli with anterior and posterior ridges, but the authors did not mention any further details about those ridges. In  A. marianae sp. nov. the anterior ridge of P4 is much wider than the posterior, surrounded by small setae and the posterior one is thinner. Besides, dactylus of P5 is triangular in sectional view and all three margins are serrated (Fig. 3C–G). The serration of the P5 dactylus was not mentioned by Palacios Theil and Felder (2020a) but in their drawing of P5 (Fig. 8F), they illustrated a posterior ridge serrated in the proximal half. We could not examine specimens of  A. roblesi and there is a possibility that the P4 and P5 dactyli of both species are similar. Perhaps the most obvious difference between  A. roblesi and  A. marianae sp. nov. is in the shape of the male pleon and telson. In  A. roblesi the pleonites 2–6 are subrectangular, slightly decreasing in width, and the telson is semi-ellipsoidal (Fig. 3P), similar in length to the sixth pleonite while the male pleon of  A. marianae sp. nov. is tapering, the pleonites clearly decrease in width and the telson is much longer than the sixth pleonite and is distally rounded (Fig. 3E). The female telson in the new species seems to be much wider than that in  A. roblesi but this difference may be due to a difference in maturity of the organisms used for illustration. Gonopods, recognized as an important tool to differentiate species of brachyurans (Martin and Abele, 1986; Manning and Felder, 1989), are also different in both species. The apex of the first male gonopod in  A. roblesi is composed of two concave plaques, one a little longer than the other (Fig. 3N, O), while in the new species the gonopod ends in an elongated structure on one side, longer than a distally truncated plate on the other side (Fig. 3J, L). </p>
            <p> In the same way as  A. roblesi , the new species can be separated from the other species by the differences that Palacios Theil and Felder (2020a) found between  A. roblesi and the rest of the species. That is, with the exception of  A. chacei ,  Austinixa beherae (R.B. Manning and Felder, 1989) , and  A. roblesi ,  A. marianae sp. nov. can be distinguished from the rest of the  Austinixa species because the members of these species have branchial ridges that fall near orbits and bend backward before reaching lateral margins, however, unlike  Austinixa chacei (Wass, 1955) and  A. beherae , males of  A. roblesi and  A. marianae sp. nov. have a setal patch anterior to the cardiac crest and a depression on the posterodistal surface of merus of P4. </p>
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	https://treatment.plazi.org/id/3153364C4235FFB9FE82EF810E33FC95	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Plazi	Ayón-Parente, José Salgado-Barragán Alma Rosa Raymundo-Huizar Manuel	Ayón-Parente, José Salgado-Barragán Alma Rosa Raymundo-Huizar Manuel (2021): A new species of Austinixa Heard and Manning 1997 (Decapoda: Pinnotheridae) and new records of A. felipensis (Glassell, 1935) from the Mexican Pacific. Nauplius (e 2021022) 29: 11, DOI: 10.1590/2358-2936e2021022, URL: https://doi.org/10.1590/2358-2936e2021022
3153364C4231FFB6FC73EA490EC9FBBD.text	3153364C4231FFB6FC73EA490EC9FBBD.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Austinixa felipensis (Glassell 1935)	<html xmlns:mods="http://www.loc.gov/mods/v3">
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            <p> Austinixa felipensis (Glassell, 1935)</p>
            <p> Pinnixa felipensi s Glassell, 1935: 14. — Hendrickx, 1993: 314. </p>
            <p> Pinnixa salvadorensis Bott, 1955: 48 , 59, fig. 3 a–c, pl. 11a, b. </p>
            <p> Austinixa felipensis . — Palacios Theil et al. 2016: 4, figs. 1–4, tab. 2. — Palacios Theil and Felder 2020a: 126, figs. 10, 11. — Palacios Theil and Felder, 2020b: 88, fig. 1, tab. 1. </p>
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                <a title="Search Plazi for locations around (long -106.40972/lat 23.186666)" href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-106.40972&amp;materialsCitation.latitude=23.186666">Material</a>
                 examined. Isla de la  
                <a title="Search Plazi for locations around (long -106.40972/lat 23.186666)" href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-106.40972&amp;materialsCitation.latitude=23.186666">Piedra</a>
                 , Mazatlán, Sinaloa (23°11’12”N 106°24’35”W): 2 males, CW 11.0, CL 4.3 mm (ICML-EMU 12534), intertidal, sand, in burrows of  Callichirus seilacheri (Bott,1955) , 25 February 2009, coll. E. Ríos-Jara and JSB  ;  1 male, CW 11.1, CL 4.3 mm, 1 female CW 11.0, CL 4.3 mm (ICML-EMU 12535 -A), 19 April 2009, coll. JSB ;  2 males, CW 7.9–8.3, CL 3.0– 3.2 mm, 1 female CW8.0, CL 3.1 mm (ICML-EMU 12535 -B), 12 August 2010, coll. L. Sauma and JSB ;  1 female, CW 8.4, CL 2.9 mm (ICML-EMU 12535 - C), 9 September 2010, coll. L. Sauma and JSB ;  3 males CW 5.0–8.0, CL 2.3–3.2 mm, 4 females, CW 6.4–9.1, CL 2.5–3.4 mm, 3 juveniles CW 3.8–4.2, CL 1.6–2.2 mm (ICML-EMU 12535 - D), 11 November 2018, coll. JSB and MAP . —   
                <a title="Search Plazi for locations around (long -108.05723/lat 24.8025)" href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-108.05723&amp;materialsCitation.latitude=24.8025">Santa María - La Reforma</a>
                 , coastal lagoon, Sinaloa: Melendez Island, (24°48’09”N 108°03’26”W), 2 females, CW 15.5–17.3, CL 5.8–6.3 mm (ICML-EMU 12536 - A), intertidal, sand, unknown host, 15 March 2013, coll. N. Arenas and JSB  ;  2 males, CW 7.8–11.7, CL 2.9–3.9 mm, 1 ovigerous female, CW 11.3, CL 4.2 mm (ICML-EMU 12536 -B), unknown host, 18 January 2015, coll. N. Suárez and V .   
                <a title="Search Plazi for locations around (long -107.994995/lat 24.745556)" href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-107.994995&amp;materialsCitation.latitude=24.745556">Papiol. — El Tambor</a>
                 , (24°44’44”N 107°59’42”W), 9 males CW 6.2–12.2, CL 2.7–4.0 mm, 8 ovigerous females, CW 9.8–12.4, CL 3.6–4.9 mm (ICML-EMU 12536 -C), intertidal, fine sand, in  Neotrypaea sp. burrows, 15 October 2014, coll. A. K. Barragán and N. Arenas.  —   
                <a title="Search Plazi for locations around (long -108.27056/lat 25.148333)" href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-108.27056&amp;materialsCitation.latitude=25.148333">Saliaca Island</a>
                 , (25°08’54”N 108°16’14”W), 1 ovigerous female, CW 12.0, CL 4.3 mm (ICML-EMU 12536 -D), intertidal, fine sand, 30 Mar 2015, coll. JSB  .   
                <a title="Search Plazi for locations around (long -105.13416/lat 19.584723)" href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-105.13416&amp;materialsCitation.latitude=19.584723">Bahía Chamela</a>
                 , Jalisco: mouth of Estero de Pérula, (19°35’05”N 105°08’03”W), 1 male, CW 8.9, CL 2.9 mm (LEMA-CCR-187), 0.3 m, sand, 7 March 2013, coll. M.A.P  ;   1 male, CW 9.3, CL 3.0 mm, 1 female CW 6.5, CL 2.6 mm, 1 ovigerous female CW 9.2, CL 3.0 mm (LEMA-CCR-375A),  
                <a title="Search Plazi for locations around (long -105.13389/lat 19.585278)" href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-105.13389&amp;materialsCitation.latitude=19.585278">Punta Pérula</a>
                 , (19°35’07”N 105°08’02”W), 0–0.3 m, sand, 28 November 2011, coll. M.A.P and JSB  ;  2 males, CW 9.2, CL 3.0 mm (LEMA-CCR-375B), same data, 29 November 2011, coll. MAP and JSB . —   
                <a title="Search Plazi for locations around (long -105.37723/lat 20.750834)" href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=-105.37723&amp;materialsCitation.latitude=20.750834">La Cruz de Huanacaxtle</a>
                 , Nayarit, (20°45’03”N 105°22’38”W), 1 female, CW 5.5, CL 2.1 mm (ICML-EMU 12891), intertidal, fine sand, 22 August 2020, coll. R  .   García de Quevedo and ARH  . 
            </p>
            <p>Distribution. San Felipe, Baja California, Gulf of</p>
            <p>California, Mexico to Las Enramadas, Nicaragua</p>
            <p>(Glassell, 1935; Boot, 1955; Palacios Theil et al. 2020b).</p>
            <p> Remarks. The specimens were collected cohabiting the burrows of calliannassid shrimps,  Callichirus seilacheri (Bott, 1955) and  Neotrypaea sp. Currently, the records of this species had been scarce and the known distribution was limited to San Felipe, Baja California, in the upper Gulf of California, Coral de Mulas, El Salvador and Las Enramadas, Nicaragua, in Central America.  Austinixa felipensis seems to be a common species on sandy beaches, in the intertidal zone of coastal lagoons or open sea beaches not directly (or poorly) exposed to the waves from the eastern coast of the Gulf of California to the State of Jalisco; however, due to its infaunal habits and the fact that coring devices are not widely used to collect invertebrates, the records of its presence have been scarce. With the records of the presence of this species in four new locations in the Gulf of California and the central Mexican Pacific a continuity of the distribution of this species seems to be confirmed. </p>
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	https://treatment.plazi.org/id/3153364C4231FFB6FC73EA490EC9FBBD	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Plazi	Ayón-Parente, José Salgado-Barragán Alma Rosa Raymundo-Huizar Manuel	Ayón-Parente, José Salgado-Barragán Alma Rosa Raymundo-Huizar Manuel (2021): A new species of Austinixa Heard and Manning 1997 (Decapoda: Pinnotheridae) and new records of A. felipensis (Glassell, 1935) from the Mexican Pacific. Nauplius (e 2021022) 29: 11, DOI: 10.1590/2358-2936e2021022, URL: https://doi.org/10.1590/2358-2936e2021022
3153364C423EFFB7FF09ECA60ED2F945.text	3153364C423EFFB7FF09ECA60ED2F945.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Austinixa Heard & RB Manning 1997	<html xmlns:mods="http://www.loc.gov/mods/v3">
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            <p> Key to species of  Austinixa (modified from Palacios Theil and Felder, 2020b) </p>
            <p>1. Carapace without branchial ridges .............................................................................................................................2</p>
            <p>- Carapace with branchial ridges .....................................................................................................................................5</p>
            <p>2. P4 propodus opposable margin bicarinate ...............................................................................................................3</p>
            <p> - P4 propodus opposable margin with single carina (NE FL, GMx, Car) ............................................................... ............................................................................................................................  A. gorei (Manning and Felder, 1989)</p>
            <p>3. Male carapace with patch of short setae on posterior third, just anterior to cardiac ridge. Male pleon telson subtriangular or semicircular, not wider than long.................................................................................................4</p>
            <p> - Male carapace without patch of short setae on posterior third, just anterior to cardiac ridge. Male pleon telson semi-ellipsoid, clearly wider than long (E Pac) ..........................................  A. felipensis (Glassell, 1935)</p>
            <p> 4. Male pleon telson subtriangular. Setal patch on male carapace posterior third connecting with setae on lateral regions. Female carapace with setae on lateral regions extending also onto anterolateral regions (E Pac) .......................................................................................................  A. cuestai Palacios Theil and Felder, 2020a</p>
            <p> - Male pleon telson semicircular. Setal patch on male carapace posterior third clearly separated from setae on lateral regions. Setae on female carapace confined to most lateral regions (SW Atl) ................................ ......................................................................................................................................................  A. aidae (Righi, 1967)</p>
            <p> 5. Branchial ridges each extending to orbits (SW Atl) ...................................  A. patagoniensis (Rathbun, 1918)</p>
            <p>- Branchial ridges falling short of orbits ........................................................................................................................6</p>
            <p>6. P4 merus with distinct depression on posterior or dorsal surface ......................................................................7</p>
            <p>- P4 merus without distinct depression on posterior or dorsal surface ................................................................. 9</p>
            <p>7. P4 merus with proximal depression on posterior to postero-dorsal surface into which dactylus of P5 fits (SW Atl) .....................................................................................................................A. leptodactyla (Coelho, 1997)</p>
            <p>- P4 merus with distal depression on dorsal surface, not positioned to fit P5 dactylus ......................................8</p>
            <p> 8. Male pleon subrectangular, lateral margins of pleonites subparallel, telson semi-ellipsoidal, about as long as sixth somite (Car). ........................................................................  A. roblesi Palacios Theil and Felder, 2020a</p>
            <p> - Male pleon subtriangular, tapering, margin of pleonites decreasing in width distally, telson triangular, clearly longer than the sixth pleonite (E Pac) .......................................................................  A. marianae sp. nov.</p>
            <p>9. Male carapace without patch of short setae on posterior third, just anterior to cardiac ridge ................... 10</p>
            <p> - Male carapace with patch of short dark setae on posterior third, just anterior to cardiac ridge. (SW Atl) ... ...........................................................................................................................................  A. bragantina Coelho, 2005</p>
            <p>10. Branchial ridges angled laterally, with sharp bend toward posterior ............................................................ 11</p>
            <p>- Branchial ridges extending laterally or gently curved towards posterior lacking sharp bend laterally...12</p>
            <p> 11. P4 propodus opposable margin with single carina. First gonopod with truncate apex (GMx) ................... .....................................................................................................................................................  A. chacei (Wass, 1955)</p>
            <p> - P4 propodus opposable margin bicarinate. First gonopod apex hooked, styliform (GMx).............................. .......................................................................................................................  A. behreae (Manning and Felder, 1989)</p>
            <p> 12. P5 dactylus clearly reaching beyond distal end of P4 merus. P4 merus anterior margin carinate, carina not clearly laminate. Carapace depressions lateral to front narrow and short, not reaching dorsally to near branchial ridges. Carapace 2.2–2.9 times wider than long. Male telson semicircular (NW Atl, GMx) ..... ............................................................................................................................................  A. cristata (Rathbun, 1900)</p>
            <p> - P5 dactylus not clearly reaching beyond distal end of P4 merus. P4 merus anterior margin flattened into strongly laminate crest; merus posterior half robust, clearly swollen. Carapace depressions lateral to front reaching nearly to branchial ridges. Carapace 1.7–2.3 times wider than long. Male telson prolate semi-ellipsoidal, less than twice as wide as long (Car)....................................................................................................... ............................................................................................................  A. artankeri Palacios Theil and Felder, 2020a</p>
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	https://treatment.plazi.org/id/3153364C423EFFB7FF09ECA60ED2F945	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Plazi	Ayón-Parente, José Salgado-Barragán Alma Rosa Raymundo-Huizar Manuel	Ayón-Parente, José Salgado-Barragán Alma Rosa Raymundo-Huizar Manuel (2021): A new species of Austinixa Heard and Manning 1997 (Decapoda: Pinnotheridae) and new records of A. felipensis (Glassell, 1935) from the Mexican Pacific. Nauplius (e 2021022) 29: 11, DOI: 10.1590/2358-2936e2021022, URL: https://doi.org/10.1590/2358-2936e2021022
