Gourretia de Saint Laurent, 1973
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https://doi.org/ 10.5281/zenodo.5402949 |
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Gourretia de Saint Laurent, 1973 |
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Genus Gourretia de Saint Laurent, 1973
TYPE SPECIES. — Callianassa denticulata Lutze, 1937 (= Callianassa subterranea var. minor Gourret, 1887 ), by original designation.
DIAGNOSIS. — Carapace lacking dorsal oval and rostral carina; rostral spine usually present, small, straight or slightly upturned; lateral projection on either side small or absent. Telson about as long as proximal width; lateral borders parallel in proximal third, converging distally to straight or convex posterior border. A1 peduncle not overreaching that of A2. Mxp1 endopod elongate, epipod large, truncate anteriorly. Mxp2 with small epipod. Mxp3 pediform, with exopod; ischium with prominent toothed crest on mesial surface; lower distal margin of merus unarmed or with spines. Both major and minor P1 with proximal lower spine on merus; minor P1 with palm tapering distally. P2 fixed finger and dactylus with cutting edge unarmed or bearing teeth. P3 and P4 dactylus narrow, pointed distally. P5 subchelate.
Single arthrobranch on Mxp2, paired arthrobranch on Mxp3 and P1-4.
Male Plp1 uniramous, two-segmented, last segment bifurcate distally; male Plp2 biramous, foliaceous with appendix interna and appendix masculina. Female Plp1 uniramous, female Plp2 biramous, foliaceous with finger-like appendix interna. Plp3-5 biramous, foliaceous, with finger-like appendix interna sitting side by side with mesial border of endopod. Uropods about as long as telson; exopod without dorsal plate, posterior bor- der with or without notch.
REMARKS
Gourretia currently includes eight species, as list- ed in Tudge et al. (2000):
– G. barracuda Le Loeuff & Intès, 1974 ;
– G. biffari Blanco Rambla & Linero Arana, 1994 ;
– G. coolibah Poore & Griffin, 1979 ;
– G. crosnieri Ngoc-Ho, 1991;
– G. denticulata ( Lutze, 1937) , type species;
– G. lahouensis Le Loeuff & Intès, 1974 ;
– G. laresi Blanco Rambla & Linero Arana, 1994 ; – G. manihinae Sakai, 1984 .
Manning & Felder (1991) as well as Tudge et al. (2000) mentioned three differentiating characters for the above species: 1) rostrum straight or (slightly) upturned; 2) lower distal margin of Mxp3 merus unarmed or with spine; and 3) posterior border of uropodal exopod with or without notch. Two others can be added: 4) and 5) minor P1 and P2 with or without teeth on cutting edge of fixed finger and dactylus. None of them however permits a clear species grouping. Considering two examples, on basis of characters 1-3 only, for simplification, it can be noted that: 1) both G. biffari and G. laresi have an upturned rostral spine and a distal spine on the Mxp3 merus, but a notch on the uropodal exopod is present in the former, absent in the latter; and 2) like G. laresi , three other species, G. barracuda , G. denticulata and G. manihinae , bear a distal spine on the Mxp3 merus and no notch on the uropodal exopod, but they differ from G. laresi by having a straight rostral spine. These differences are regard- ed here as specific variations.
By contrast, the diagnostic characters cited above link members of the genus. The following are most significant: 1) Mxp1 bears an elongate endopod and a large epipod truncate anteriorly; 2) Mxp3 is pediform, with exopod and a prominent toothed crest on mesial surface of ischium; 3) both major and minor P1 have a lower proximal meral spine; 4) minor P1 with the palm tapering distally; 5) the morphology of male and female Plp1, Plp2; 6) the shape of telson with lateral borders parallel proximally and converging distally to the posterior border; and 7) uropods are about as long as the telson, the exopod without a dorsal plate. These clearly define the genus.
Several similarities exist between members of Gourretia and Dawsonius latispina (Dawson, 1967) , type species of the genus Dawsonius Manning & Felder, 1991 . The grouping of the genera Gourretia and Dawsonius in a subfamily Gourretinae , as proposed by Sakai (1999b), seems justified.
Gourretia denticulata ( Lutze, 1937) ( Fig. 21 View FIG )
Callianassa subterranea var. minor Gourret, 1887: 1034 ; 1888: 96, pl. 8, figs 1-15.
Callianassa denticulata Lutze, 1937: 6 , figs 1-7; 1938: 170.
Gourretia serrata de Saint Laurent, 1979: 79 . — Thessalou-Legaki & Zenetos 1985: 311. — °Thessalou- Legaki 1986: 184. — °Pancucci-Papadopoulou et al. 1999: 393.
Callianassa (Cheramus) subterranea var. minor – Pesta 1918: 205 (part).
Callianassa (Cheramus) minor – de Man 1928 b: 26, 100. Callianassa stebbingi View in CoL – Gottlieb 1953: 440.
Callianassa minor – Holthuis & Gottlieb 1958: 56, figs 11, 12. — Harmelin 1964: 95. — Pérès & Picard 1964: 66. — Picard 1965: 59. — de Gaillande 1970: 377. Gourretia denticulata – Lewinsohn & Holthuis 1986: 24. — Števčić 1990: 218. — Manning & Felder 1991: 785. — Dworschak 1992: 210. — ° Koukouras et al. 1992: 223. — Dounas et al. 1993: 48. — ° Froglia 1995: 7. — Lopez de la Rosa et al. 1998: 393, fig. 1; 2002: 88. — d’Udekem d’Acoz 1999: 156. — Sakai 1999a: 128. — Tudge et al. 2000: 135. —?* Lindley et al. 2001: 46. — ° Türkay 2001: 289.
Gourretia minor – de Saint Laurent 1973: 514. — Le Loeuff & Intès 1974: 26, figs 4a-k. — de Saint Laurent & Božić 1976: 27, figs 6, 14, 22, 37, 41, 48. — Manning & Števčić 1982: 296. — Števčić 1985: 127. — Falciai & Minervini 1996: 145, figs.
TYPE MATERIAL. — Unknown.
MATERIAL EXAMINED. — France. Marseille, in sediments with Posidonia, A. Willsie coll., 1 ( SMF 28336); Marseille, 1.8 m, 1 without abdomen ( SMF 28785).
Adriatic. Parenzan coll., 1971, 1 cl. 9 mm, tl. 39 mm (figured) (MNHN Th 118), 1 cl. 9.5 mm approx. (damaged) (figured) (MNHN Th 119), 1 cl. 5.5 mm (MNHN Th 120), 1 cl. 4 mm, just moulted (poor condition) (MNHN Th 121).
Greece. Aegean Sea, Vourvourou Chalkidikis, 0.5- 2 m, 10. V.1991, Siggitikos G., 1 (A.U.TH P 4528).
Israel. Haifa Bay, several spec., mostly juveniles, collected by bottomgrab or dredge, 34-82 m, between 1953-1956, leg. E. Gottlieb ( RMNH D 13811- 13830 About RMNH ). — Athlit , bottomgrab, 54 m, 22.XI.1948, leg. A. Wirszubski, No. 710, 2 juv. ( RMNH D 13831 View Materials ) ; bottomgrab, 46 m, 8.VIII.1951, leg. E. Gottlieb, No. 1002, 1 juv. ( RMNH D 13832 View Materials ) ; 54 m, 28.XII.1952, leg. E. Gottlieb, No. 1069, 1 juv. ( RMNH D 13833 View Materials ) ; bottomgrab, 54 m, 26.IX.1949, leg. A. Wirszubski, No. 809, 1 juv. ( RMNH D 13834 View Materials ). — Gaza , dredge, 27 m, 21. VI.1947, leg. A. Wirszubski, No. 538, 1 juv. ( RMNH D 13835 View Materials ) ; bottomgrab, 56 m, 31.IX.1947, leg. A. Wirszubski, No. 656, 1 juv. ( RMNH D 13836 View Materials ). — Nahariya , bottomgrab, 55 m, 18.IX.1947, leg. A. Wirszubski, No. 637, 1 juv. ( RMNH D 13837 View Materials ) .
Tunisia. Gulf of Gabès, Calypso, 1965 , stn SMF 1908 About SMF , 27.IV.1965, 3 cl. 5.5- 6mm ( MNHN Th 918) ; stn SMF 1951 About SMF , 2.V.1965, 1 cl. 6 mm ( MNHN Th 919) ; stn SMF 1942 About SMF , 2.V.1965, 2 cl. 4.5 and 5 mm, 1 cl. 5.5 mm and 1 cl. 6.5 mm, tl. 24 mm (figured) ( MNHN Th 920) .
OTHER MATERIAL EXAMINED. — Gourretia barracuda Le Loeuff & Intès, 1974 , Ivory coast, off Abidjan, 1 holotype ( MNHN Th 255). — Gourretia biffari Blanco Rambla & Linero Arana, 1994 , Venezuela, NW Barcelona, 1 holotype ( USNM 259410). — Gourretia crosnieri Ngoc-Ho, 1991, New Caledonia, Ouen Island, 1 holotype ( MNHN Th 1202), near Nouméa, 1 paratype ( MNHN Th 1203). — Gourretia lahouensis Le Loeuff & Intès, 1974 , Ivory coast, “Grand Lahou”, 1 holotype, 1 paratype ( MNHN Th 253). — Gourretia laresi Blanco Rambla & Linero Arana, 1994 , Venezuela, NW Chimana Islands, 1 holotype ( USNM 259376).
DISTRIBUTION. — Eastern Atlantic: SW of Spain ( Lopez de la Rosa et al. 1998, 2002). Mediterranean: Gulf of Marseille (de Saint Laurent & Božić 1976); Adriatic ( Števčić 1990); Aegean sea (Thessalou-Legaki 1986; Dounas et al. 1993); Gulf of Gabès, Tunisia (de Gaillande 1970); Cyprus ( Lewinsohn & Holthuis 1986); Israel ( Holthuis & Gottlieb 1958).
DIAGNOSIS
Details added to those given for the genus: carapace with small ( Fig. 21A View FIG ) or larger rostral spine overreaching middle of eyestalks (see Lopez de la Rosa et al. 1998). Telson ( Fig. 21M View FIG ) with convex posterior border.
Md ( Fig. 21C View FIG ) with small round teeth on cutting edge. Lower distal margin of Mxp3 merus ( Fig. 21E View FIG ) with one or two spines. Major P1 ( Fig. 21I View FIG ) ischium with spinules on lower border, merus with more or less pronounced lower rectangular expansion bearing proximal spine, cutting edge of fixed finger with two triangular teeth. Minor P1 ( Fig. 21G View FIG ) with spinules on ischium, cutting edge of fixed finger and dactylus with seven or eight teeth on distal half. P2 ( Fig. 21H View FIG ) with teeth on cutting edge of both fixed finger and dactylus, larger on fixed finger. P3 ( Fig. 21J View FIG ) propodus oval in outline, P4 ( Fig. 21K View FIG ) propodus linear, P5 ( Fig. 21L View FIG ) subchelate. Male, female Plp1, Plp2 ( Fig. 21 View FIG N-Q) and Pl3 ( Fig. 21R View FIG ) as figured. No notch on posterior border of uropodal exopod ( Fig. 21M View FIG ).
Colour
Unknown.
Size
cl. 4.5-9.5 mm, tl. 18-40 mm.
ECOLOGY
This species lives among Posidonia seagrass ( Harmelin 1964; Dworschak 1992), in sedimentary muddy bottoms, 2.5- 100 m ( Števčić 1990) or 2.5- 146 m depth ( Dworschak 1992).
REMARKS (after Lewinsohn & Holthuis 1986) This species was known in the past either under Callianassa minor or Gourretia minor or Gourretia serrata . It was first described by Gourret (1887) as Callianassa subterranea var. minor , and was later placed by de Saint Laurent (1973: 514) in a separate genus, Gourretia , for which it was made type species. In 1979, de Saint Laurent (1979: 79) reported that the name Callianassa subterranea minor Gourret, 1887 was a junior primary homonym of Callianassa minor Fischer, 1866 , a fossil species from the Miocene of southern France. At the same time, a replacement name, Gourretia serrata nom. nov. was proposed for the species. De Saint Laurent overlooked however another available name that was Callianassa denticulata Lutze, 1937 which species de Saint Laurent & Božić (1976: 27) had previously synonymised with Callianassa minor .
This taxonomic question was settled by Lewinsohn & Holthuis (1986: 24) and the name Gourretia denticulata ( Lutze, 1937) has been used thereafter.
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DWORSCHAK P. C. 1992. - The Thalassinidea in the Museum of Natural History, Vienna, with some remarks on the biology of the species. Annalen des Naturhistorischen Museums in Wien 93 B: 189 - 238, figs 1 - 18.
FALCIAI L. & MINERVINI R. 1996. - Guide des homards, crabes, langoustes, crevettes et autres crustaces decapodes d'Europe. Delachaux & Niestle, Lausanne; Paris, 287 p., figs.
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KOUKOURAS A., DOUNAS C., TURKAY M. & VOULTSIADOU- KOUKOURA E. 1992. - Decapod crustacean fauna of the Aegean Sea: New information, check list, affinities. Senckenbergiana maritima 22 (3 / 6): 217 - 244, figs 1, 2, tabls 1 - 4.
LE LOEUFF P. & INTES A. 1974. - Les Thalassinidea (Crustacea, Decapoda) du golfe de Guinee. Systematique - Ecologie. Cahiers Orstom, ser. Oceanographie 12 (1): 17 - 69, figs 1 - 22, tabls 1 - 5.
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LINDLEY J. A., HERNANDEZ F. & TEJERA E. 2001. - Planktonic larvae as indicators of additional species in the callianassoid (Crustaca: Decapoda: Thalassinidea) fauna of the Canary Islands. Revista de la Academia Canaria de Ciencias 3 - 4: 45 - 48.
LOPEZ DE LA ROSA I., GARCIA RASO J. E. & RODRIGUEZ A. 1998. - First record of Gourretia denticulata (Lutze, 1937) (Crustacea, Decapoda, Thalassinidea) from the Atlantic coast of Spain. Scientia Marina 62 (4): 393 - 395, fig. 1.
LOPEZ DE LA ROSA I., GARCIA RASO J. E. & RODRIGUEZ A. 2002. - Evolution of a decapod community (Crustacea) of shallow soft bottoms with seaweeds from southern Europe. Jounal of the Marine Biological Association of the United Kingdom 82: 85 - 95, figs 1 - 6, tabl. 1.
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MAN J. G. DE 1928 a. - A contribution to the knowledge of twenty-two species and three varieties of the genus Callianassa (Leach). Capita Zoologica 2 (6): 1 - 56, pls 1 - 12.
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MANNING R. B. & FELDER D. L. 1991. - Revision of the American Callianassidae (Crustacea: Decapoda: Thalassinidea). Proceedings of the Biological Society of Washington 104 (4): 764 - 792, figs 1 - 18.
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SAINT LAURENT M. DE 1973. - Sur la systematique et la phylogenie des Thalassinidea: Definition des familles des Callianassidae et des Upogebiidae et diagnose de cinq genres nouveaux (Crustacea Decapoda). Comptes Rendus de l'Academie des Sciences ser. D 277: 513 - 516.
SAKAI K. 1999 b. - Redescription of Ctenocheles balssi Kishinouye, 1926, with comments on its systematic position and establishment of a new subfamily Gourretinae (Decapoda, Callianassidae). Crustaceana 72 (1): 85 - 97, figs 1 - 3.
SAKAI K. 1999 a. - Synopsis of the family Callianassidae, with keys to subfamilies, genera and species, and the description of new taxa (Crustacea: Decapoda: Thalassinidea). Zoologische Verhandelingen (Leiden) 326: 1 - 152, figs 1 - 33.
STEVCIC Z. 1985. - New and rarely reported species of decapod Crustacea from the Adriatic Sea. Rapport de la Commission internationale pour l'Exploration de la Mer Mediterranee 29 (5): 313 - 314.
STEVCIC Z. 1990. - Check-list of the Adriatic decapod Crustacea. Acta Adriatica 31 (1 / 2): 183 - 274.
TUDGE C. C., POORE G. C. B. & LEMAITRE R. 2000. - Preliminary phylogenetic analysis of generic relationships within the Callianassidae and Ctenochelidae (Decapoda: Thalassinidea: Callianassoidea). Journal of Crustacean Biology 20, special No. 2: 129 - 149, figs 1 - 4.
TURKAY M. 2001. - Decapoda, in COSTELLO M. J., EMBLOW C. S. & WHITE R. (eds), European register of marine species. A check-list of marine species in Europe and a bibliography of guides to their identification. Patrimoines Naturels (Paris) 50: 284 - 292.
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Kingdom |
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Phylum |
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Class |
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Order |
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Family |
Gourretia de Saint Laurent, 1973
Ngoc-Ho, Nguyen 2003 |
Gourretia serrata
LEGAKI M. 1986: 184 |
Gourretia minor
FALCIAI L. & MINERVINI R. 1996: 145 |
STEVCIC Z. 1985: 127 |
MANNING R. & STEVCIC Z. 1982: 296 |
LE LOEUFF P. & INTES A. 1974: 26 |
SAINT LAURENT M. & DE 1973: 514 |
Callianassa minor
LINDLEY J. A. & HERNANDEZ F. & TEJERA E. 2001: 46 |
TURKAY M. 2001: 289 |
TUDGE C. C. & POORE G. C. B. & LEMAITRE R. 2000: 135 |
SAKAI K. 1999: 128 |
LOPEZ DE LA ROSA I. & GARCIA RASO J. E. & RODRIGUEZ A. 1998: 393 |
FROGLIA C. 1995: 7 |
DOUNAS C. & SMITH C. & LAMPADARIOU N. & ELEFTHERIOU A. 1993: 48 |
DWORSCHAK P. C. 1992: 210 |
KOUKOURAS A. & DOUNAS C. & TURKAY M. & KOUKOURA E. 1992: 223 |
MANNING R. B. & FELDER D. L. 1991: 785 |
STEVCIC Z. 1990: 218 |
LEWINSOHN C. H. & HOLTHUIS L. B. 1986: 24 |
GAILLANDE D. & DE 1970: 377 |
PICARD J. 1965: 59 |
HARMELIN J. G. 1964: 95 |
PERES J. - M. & PICARD J. 1964: 66 |
HOLTHUIS L. B. & GOTTLIEB E. 1958: 56 |
Callianassa (Cheramus) minor
GOTTLIEB E. 1953: 440 |
Callianassa denticulata
LUTZE J. 1937: 6 |
Callianassa (Cheramus) subterranea var. minor
PESTA O. 1918: 205 |
Callianassa subterranea var. minor
GOURRET P. 1888: 96 |
GOURRET P. 1887: 1034 |