Nototanoides oliveri, Morales-Núñez & Ramos-Tafur, 2023
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publication ID |
https://doi.org/ 10.11646/zootaxa.5346.3.2 |
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publication LSID |
lsid:zoobank.org:pub:AFCD0367-B476-46A5-8670-2A9C8AF083AA |
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DOI |
https://doi.org/10.5281/zenodo.8403153 |
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persistent identifier |
https://treatment.plazi.org/id/03D39630-216D-FF96-1D99-F8E3AB06FD72 |
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treatment provided by |
Plazi |
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scientific name |
Nototanoides oliveri |
| status |
sp. nov. |
Nototanoides oliveri View in CoL sp. nov.
( Figs. 3–14 View FIGURE 3 View FIGURE 4 View FIGURE 5 View FIGURE 6 View FIGURE 7 View FIGURE 8 View FIGURE 9 View FIGURE 10 View FIGURE 11 View FIGURE 12 View FIGURE 13 View FIGURE 14 , 16B, F, J, N, R View FIGURE 16 , 17–18 View FIGURE 17 View FIGURE 18 )
Nototanoides trifurcatus Sieg & Heard 1985: 52 View in CoL . (in part)
Diagnosis. Female. Antennule with article-3 bearing row of ~11 aesthetascs on sub-proximal ventral margin. Left mandible lacinia mobilis with eight denticles. Maxilliped palp article-2 with mid inner margin setulose and inner distal margin with modified spiniform seta with about four to five setules on dorsal margin and one setule on ventral margin. Cheliped with fixed finger having one sinuate seta on outer incisive margin, chela with six simple setae on ventral margin, and dactylus integument covered by scales. Pleopods with inner margin setulose.
Male. Antennule with article-4 bearing row of ~9–10 aesthetascs on sub-proximal ventral margin. Cheliped with basis having mid-ventral margin swollen, forming a rounded apophysis/protuberance, and chela with seven simple setae on ventral margin.
Etymology. This species is named in honor to Oliver Morales-Sierra, the beloved son of the senior author.
Material examined. Type material. Holotype ( USNM 1606640 About USNM ), ovigerous ♀, TBL 3.6 mm, eastern Gulf of Mexico, Florida, ~170 Km E off New Port Richey , 28°25'55''N – 84°41'39''W, depth 64 m, 09 June 2017, station SMP171702013 View Materials , R / V Tommy Munro, bottom trawl. GoogleMaps
Paratypes: 40 non-ovigerous ♀♀ (without oostegites) ( USNM 1606641 About USNM ), 20 ovigerous ♀♀ ( USNM 1606642 About USNM ) , 10 ♀♀ with empty marsupium ( USNM 1606643 About USNM ), and 40 ♁♁ ( USNM 1606644 About USNM )), same collection data as holotype GoogleMaps ; 40 non-ovigerous ♀♀ (without oostegites ( UF Arthropoda 71396)), 16 ovigerous ♀♀ ( UF Arthropoda 71397) , 10 ♀♀ with empty marsupium ( UF Arthropoda 71398), 40 ♁♁ ( UF Arthropoda 71399), same collection data as holotype GoogleMaps ; 40 non-ovigerous ♀♀ (without oostegites) ( GCRL 6619 View Materials ), 20 ovigerous ♀♀ ( GCRL 6620 View Materials ) , 10 ♀♀ with empty marsupium ( GCRL 6621 View Materials ), and 40 ♁♁ ( GCRL 6622 View Materials ), same collection data as holotype GoogleMaps ; 30 non-ovigerous ♀♀ (without oostegites) and 15 ♁♁ ( FSBCI 171988 ), same collection data as holotype GoogleMaps ; two ovigerous ♀♀ (one damage (dried out) ( USNM 1462798 About USNM ), Project Hour Glass (Florida West Coast), 26°24’00’’N – 84°13’00’’W, depth 73.2 m, station E. GoogleMaps
Additional specimens from the type locality are in the first author’s personal collection.
Description. Based on ovigerous ♀. Carrying ~ 28 eggs.
Body ( Figs. 3A–B View FIGURE 3 , 8 View FIGURE 8 ). Dorsoventrally flattened, TBL 4.0 mm, about 5.4 times as long as wide.
Cephalothorax ( Figs. 3A–B View FIGURE 3 , 8A–B View FIGURE 8 ). About 24% of TBL; about same length that of pereonites 1–3 combined, 1.3 times longer than wide, narrowed anteriorly and gently rounded posteriorly; eyelobes present, visual elements present, with one pair of lateral simple setae posterior to eyes; rostrum blunt-rounded ( Figs. 3A View FIGURE 3 , 8B View FIGURE 8 ).
Pereon ( Figs. 3A View FIGURE 3 , 8A View FIGURE 8 ). About 50% of TBL; each pereonite wider than long, lateral distal borders rounded; pereonites 1 and 6 shorter than other pereonites; pereonites 2–5 increasing in length, being pereonite-5 longest; each pereonite with one pair of dorsoanterior lateral simple setae; pereonite-6 with pair of dorsoposterior lateral simple seta.
Pleonites ( Figs. 3A View FIGURE 3 , 8A View FIGURE 8 ). About 21% of TBL; combined length of pleonites 1–5 slightly shorter than length of pereonites 4–6, all pleonites sub-equal in length, wider than long; each with one pair of dorsolateral simple setae; pleonites 1–4 with row of ~13, 17, 19, and 15 lateral simple setae, respectively; pleonite-5 with row of ~11 lateral simple setae.
Pleotelson ( Figs. 3A, C View FIGURE 3 , 8A View FIGURE 8 ). About 5% of TBL; slightly narrower than pleonites, wider than long, trapezoidal, with acute distal tip, one pair of dorsoanterior lateral simple setae, one pair of posterior simple setae, one pair of simple and PSS setae, and four (two simple and two PSS) setae on apex.
Antennule ( Fig. 4B–C View FIGURE 4 ). Longer than half cephalothorax length, with three articles. Article-1 longer than combined length of articles 2–3, about 3.9 times as long as wide; outer margin with two clusters of three PSS and one mid simple long seta, sub-distal outer margin with row of four (one long simple and three PSS) setae; inner margin with one mid small simple seta and one sinuate distal simple seta. Article-2 about 1.9 times as long as wide; distodorsal outer margin with simple seta; distoventral inner margin with two setae (one simple one PSS). Article-3 about 2.5 times as long as wide; ventrally with sub-proximal row of ~11 aesthetascs ( Fig. 4C View FIGURE 4 ); distally with one PSS, one aesthetasc, and six simple setae of varying lengths.
Antenna ( Fig. 4D–E View FIGURE 4 ). Slightly longer than length of antennule article-1. With six articles.Article-1 about 1.4 times wider than long, sub-quadrate, asetose. Article-2 about 1.2 times as long as wide, dorso proximal and mid margin with setules, distodorsal margin projected with small spine and one bipinnate seta ( Fig. 4E View FIGURE 4 ). Article-3 about 1.1 times as long as wide, with distodorsal margin projected with small spine and one bipinnate seta. Article-4 elongate, about 4.2 times as long as wide; mid inner margin with one PSS; sub-distal outer margin with one simple seta and four PSS. Article-5 about 1.1 times as long as wide, sub-proximal outer margin bearing two PSS; sub-distal inner margin bearing a long simple seta. Article-6 minute, with distal margin having six simple setae of unequal lengths.
Mouthparts. Labrum ( Fig. 4F View FIGURE 4 ) Sub-quadrate, finely setose.
Mandibles ( Fig. 4G–H View FIGURE 4 ): left mandible ( Fig. 4G View FIGURE 4 ), incisor with six denticles, lacinia mobilis broad with eight denticles; Right mandible ( Fig. 4H View FIGURE 4 ), incisor bifid with nine denticles. Molar process of left and right mandible similar, with grinding surface showing well-developed micro-denticles ( Fig. 4G–H View FIGURE 4 ).
Labium ( Fig. 5A View FIGURE 5 ). With inner and reduced outer lobe.
Maxillule ( Fig. 5B View FIGURE 5 ). Endite with nine distal spiniform setae, outer distal margin with several setules; palp bearing one bipinnate setulose seta.
Maxilla ( Fig. 5C View FIGURE 5 ). Subovate, asetose.
Maxilliped ( Figs. 5D–G View FIGURE 5 , 17A–B View FIGURE 17 ). Basis fused, elongated, with long simple seta near palp insertion (reaching beyond distal margin of endite) ( Fig. 5D View FIGURE 5 ). Palp article-1 slightly longer than broad, asetose; article-2 largest, widest medially, mid inner margin setulose, and inner distal margin with two simple setae and one modified spiniform seta and inner distal margin with modified spiniform seta with about four to five setules on dorsal margin and one setule on ventral margin ( Figs. 5D–E View FIGURE 5 , 17A–B View FIGURE 17 ); article-3 with inner margin having three inner very finely bipinnate setae ( Fig. 5D View FIGURE 5 ), three sub-distal small simple setae ( Fig. 5D View FIGURE 5 ), and one simple seta ( Fig. 5F View FIGURE 5 ); article-4 inner margin with five inner very finely bipinnate setae, outer margin with sub-distal inner very finely bipinnate setae ( Fig. 5D View FIGURE 5 ). Endite distally separated; each distal inner margin bearing two simple setae of unequal lengths and two short flat tubercles or “membranous hemispherical structures” ( Sieg & Heard 1985); outer margin setulose ( Fig. 5G View FIGURE 5 ).
Epignath ( Fig. 5H View FIGURE 5 ). Falciform, with short setae at tip.
Cheliped ( Figs. 6A–E View FIGURE 6 , 18C View FIGURE 18 ). Similar in shape and size. Basis about 1.5 times as long as wide, posterior margin reaching pereonite-1; mid-ventral margin smooth, without rounded apophysis/protuberance; with sub-distal dorsal simple seta on outer margin. Merus sub-triangular, with simple seta on mid-ventral margin. Carpus about 1.6 times as long as wide; sub-distal ventral margin with two simple setae; dorsal margin setulose proximally, with two (one proximal and one distal) small simple setae. Propodus 1.6 times as long as wide, palm longer than fixed finger; ventral margin with three simple setae; outer margin with simple seta near to insertion of dactylus; inner margin with one long bipinnate seta and a row comb of ~16 small bipinnate setae near to articulation of dactylus ( Fig. 6F View FIGURE 6 ); fixed finger with three ventral setae ( Fig. 6A, C View FIGURE 6 ); with three (one sinuate ( Fig. 6B View FIGURE 6 ) and two simple) sub-marginal setae on outer incisive margin ( Fig. 6A View FIGURE 6 ), reduced rounded tooth, and one outer distal rectangular lamellar projection. Dactylus and unguis curved downward, longer than fixed finger, with row of ~nine spines ventrally ( Fig. 6A View FIGURE 6 ); inner face with bipinnate seta on sub-proximal margin ( Fig. 6C–D View FIGURE 6 ), integument covered by scales ( Figs. 6E View FIGURE 6 , 17C View FIGURE 17 ).
Pereopod-1 ( Figs. 7A–B View FIGURE 7 , 17D View FIGURE 17 ). Coxa with simple seta on anterodistal margin. Basis about 5.2 times as long as wide; sub-proximal dorsal margin with two simple seta and one PSS. Ischium wider than long, with simple seta on ventral margin. Merus slightly shorter than carpus, about 1.8 time as long as wide, obliquely articulated with carpus; inner margin with sub-distal simple seta. Carpus about 1.6 times as long as wide; distoventral margin with three distal simple setae; subdistal inner margin with one simple seta; subdistal dorsal margin with simple seta. Propodus about 2.9 times as long as wide; subdistal ventral margin with simple seta; with crown of small lanceolate setae over articulation with dactylus ( Figs. 7B View FIGURE 7 , 17D View FIGURE 17 ); subdistal dorsal margin with simple seta. Dactylus together with unguis shorter than propodus; dactylus shorter than unguis, with sub-proximal seta.
Pereopod-2 ( Fig. 7C–E View FIGURE 7 ). Coxa with simple seta on anterodistal margin. Basis wider than pereopod-1, about 2.8 times as long as wide; sub-proximal dorsal margin with simple seta and two PSS. Ischium wider than long, with simple seta on ventral margin. Merus shorter than carpus, about 1.4 time as long as wide, obliquely articulated with carpus; sub-distal ventral margin with two thin simple setae. Carpus about 1.8 times as long as wide, with four distal thick bipinnate setae ( Fig. 7D View FIGURE 7 ). Propodus about 2.7 times as long as wide; sub-distal ventral margin bearing a thick bipinnate seta ( Fig. 7E View FIGURE 7 ); distally with crown of lanceolate setae as in pereopod-1. Dactylus together with unguis shorter than propodus; dactylus shorter than unguis, asetose.
Pereopod-3 ( Fig. 7F View FIGURE 7 ). Similar to pereopod-2, but basis slightly longer. Carpus with three distal thick bipinnate setae.
Pereopod-4 ( Fig. 7G–K View FIGURE 7 ). Without coxa. Basis about 2.3 times as long as wide; sub-distal ventral margin with two PSS; sub-proximal dorsal margin with two PSS. Ischium wider than long, with two simple setae on ventral margin. Merus slightly shorter than carpus, about 1.5 times as long as wide, with two distoventral thick bipinnate setae ( Fig. 7H View FIGURE 7 ). Carpus about 1.7 times as long as wide, sub-distal dorsal margin bearing simple seta; distal margin with four thick bipinnate setae ( Fig. 7I View FIGURE 7 ). Propodus about 3.8 times as long as wide; sub-distal ventral margin with two thin bipinnate setae ( Fig. 7J View FIGURE 7 ); with crown of lanceolate setae over articulation with dactylus; dorsal margin with mid PSS and one distodorsal thin bipinnate setae ( Fig. 7K View FIGURE 7 ). Dactylus and unguis curved, dactylus together with unguis shorter than propodus, dactylus with thick basal part and longer than unguis, dactylus with sub-proximal dorsal and distal margins setulose.
Pereopod-5 ( Fig. 7L View FIGURE 7 ). Similar to peropod-4, but longer. Basis having only two PSS on sub-proximal dorsal margin.
Pereopod-6 ( Fig. 7M View FIGURE 7 ). Similar to pereopod-5, but longer. Basis asetose. Propodus with three thin bipinnate setae on sub-distal dorsal margin.
Pleopods ( Fig. 7N View FIGURE 7 ). Five similar, well-developed, biramous pairs. Basal article nearly as long as wide, shorter than both rami with inner margin setulose. Exopod uniarticulate, with outer and distal margins bearing ~37 long plumose setae, inner dorsal margin setulose. Endopod uniarticulate, with outer and distal margins bearing ~22 long plumose setae, distal ones modified with whip-like tip; sub-distal lateral margin with seta modified with whip-like tip, inner dorsal margin setulose.
Uropods ( Fig. 7O View FIGURE 7 ). Shorter than pleotelson. Basal article about 1.1 times as long as wide, asetose. Exopod bi-articulated, shorter than endopod articles, article-1 about 2.2 times as long as wide, with simple seta on distal outer margin; article-2 about 2.5 times as long as wide, shorter than exopod article-1, with two distal simple setae of unequal lengths. Endopod bi-articulated, article-1 about 1.6 times as long as wide, with simple seta and PSS on distal inner margin and oblique row of eight PSS on outer margin. Article-2 about 1.9 times as long as wide, shorter than endopod article-1, with one PSS on inner distal margin and five simple setae of varying lengths distally.
| R |
Departamento de Geologia, Universidad de Chile |
| V |
Royal British Columbia Museum - Herbarium |
| UF |
Florida Museum of Natural History- Zoology, Paleontology and Paleobotany |
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.
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Class |
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Order |
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SubOrder |
Tanaidomorpha |
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SuperFamily |
Paratanaoidea |
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Family |
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Genus |
Nototanoides oliveri
| Morales-Núñez, Andrés G. & Ramos-Tafur, Gabriel E. 2023 |
Nototanoides trifurcatus
| Sieg, J. & Heard, R. W. 1985: 52 |