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130 results for “Podotremata”
FIG. 4 in Une nouvelle famille de Crabes du Crétacé, et la notion de Podotremata Guinot, 1977 (Crustacea, Decapoda, Brachyura)
FIG. 4.— Etyus martini Mantell, 1844, Albien d'Angleterre, Lower Gault, Folkestone (BM I630); A, carapace, 10 × 20 mm, chélipède gauche et mérus d'un péréiopode gauche; B, détail du chélipède et du péréiopode. Échelles: 2,5 mm.
FIG. 14 in Une nouvelle famille de Crabes du Crétacé, et la notion de Podotremata Guinot, 1977 (Crustacea, Decapoda, Brachyura)
FIG. 14. — Détail de la face ventrale chez Xanthosia aspera Rathbun, 1935, Crétacé, Texas, 10,8 × 22,1 mm (SMU-I 50032). On notera le basculement du mérus du mxp3 par rapport à l'ischion, ainsi que le bourrelet du sternite 4 qui bloque l'abdomen et empêche son mouvement vers l'avant. Abréviations: a6, segment abdominal 6; b, bourrelet du sternite 4; c, condyle articulaire de la coxa de p2 sur le sternum; cx1-cx3, coxa de p1-p3; t, telson; 4, sternite thoracique 4. Échelle: 2,5 mm.
FIG. 10 in Une nouvelle famille de Crabes du Crétacé, et la notion de Podotremata Guinot, 1977 (Crustacea, Decapoda, Brachyura)
FIG. 10. — La spermathèque paire (schématiquement représentée en noir), toujours à l'extrémité de la suture sternale thoracique 7/8, dans les diverses familles de Podotremata; noter le gonopore femelle sur la coxa de p3; A, Homolodromiidae, Homolodromia kai Guinot, 1993 (d'après Guinot 1995, fig. 10C); B, Dromiidae, Stimdromia angulata (Sakai, 1936), présent travail (MNHN-B 22557); C, Phyllotymolinidae, Phyllotymolinum crosnieri Tavares, 1993, présent travail, paratype (MNHN); D, Dynomenidae, Acanthodromia erinacea A. Milne Edwards, 1880 (d'après Guinot & Bouchard 1998: fig. 7A); E, Raninidae, Ranina ranina (Linné, 1758) (d'après Guinot 1993b: fig. 5); F, Cymonomidae, Cymonomus sp., présent travail (MNHN); G, Homolidae, Moloha majora (Kubo, 1936), présent travail (MNHN-B 24798); H, Dakoticancridae, Dakoticancer overanus Rathbun, 1917 (d'après Guinot 1993a: fig. 8); I, Cyclodorippidae, Corycodus decorus Tavares, 1993 (d'après Tavares 1993: fig. 9b; à noter que l'ouverture est située sous un renflement); J, Etyidae, Etyus martini Mantell, 1844, présent travail Figs 2 et 3.
FIG. 21 in Une nouvelle famille de Crabes du Crétacé, et la notion de Podotremata Guinot, 1977 (Crustacea, Decapoda, Brachyura)
FIG. 21. — Eocarcinus praecursor Withers, 1932, Lias inférieur (Pliensbachien inférieur) d'Angleterre; A, Gloucestershire, Mickelton Tunnel: l'un des deux paratypes, avec l'abdomen (Bm 23091); B, D, Yorkshire, Runswick Bay, moulage des deux parties du nodule contenant quatre spécimens (YORYM 993-996): deux individus avec l'abdomen, a (YORYM 993) et b (YORYM 994); C, même moulage, vue grossie du spécimen a (YORYM 993).
FIG. 3 in Une nouvelle famille de Crabes du Crétacé, et la notion de Podotremata Guinot, 1977 (Crustacea, Decapoda, Brachyura)
FIG. 3. — La spermathèque paire chez Etyus martini Mantell, 1844, Albien, Cambridge Greensand, 15 × 27 mm (SM B22703); A, position des spermathèques (en pointillé) sur le sternum thoracique, à l'extrémité des sutures sternales 7/8; B, contour des spermathèques. Abréviations: c.cx3, condyle d'articulation de la coxa de p3 sur le sternite 6; s, spermathèque; 6, 7, 8, sternites thoraciques 6, 7 et 8; 7/8, 8/7, sutures sternales thoraciques 6/7 et 7/8. Échelle: 2,5 mm.
FIG. 13 in Une nouvelle famille de Crabes du Crétacé, et la notion de Podotremata Guinot, 1977 (Crustacea, Decapoda, Brachyura)
FIG. 13. — Rapports du sternum thoracique et de l'abdomen chez un Eubrachyura, Zanthopsis leachii Desmarest, 1822, Éocène. (D'après A. Milne Edwards 1865: pl. 7, figs 1a et 2a, sous le nom de Xanthopsis leachii); A,; B, jeune. Chez le mâle et la femelle jeune, des parties du sternum sont visibles de part et d'autre de l'abdomen. Chez la femelle eubrachyourienne plus âgée, l'abdomen peut recouvrir l'ensemble du sternum thoracique.
FIG. 18 in Une nouvelle famille de Crabes du Crétacé, et la notion de Podotremata Guinot, 1977 (Crustacea, Decapoda, Brachyura)
FIG. 18. — Mithracites vectensis Gould, 1859, Crétacé (Aptien inférieur) d'Angleterre, Île de Wight, Atherfield, Deshayesites forbesi zone, 22 × 22 mm environ (BM In28832); face ventrale. Abréviations: a6, segment abdominal 6; e, épistome; en, endostome; mxp3, 3e maxillipède; p1-p4, péréiopodes p1 à p4; t, telson. Échelle: 2,5 mm.
FIG. 9 in Une nouvelle famille de Crabes du Crétacé, et la notion de Podotremata Guinot, 1977 (Crustacea, Decapoda, Brachyura)
FIG. 9. — Détail de la face ventrale chez les Etyidae n. fam.; A, B, Xanthosia pawpawensis Schweitzer Hopkins, Salva & Feldmann, 1999, Crétacé, Texas (SMU-I 50038); A, 11 × 20 mm; B, 12,1 × 22,9 mm; C, Feldmannia wintoni (Rathbun, 1935), Crétacé, Texas, 8 × 13,8 mm (SMU-I 50023). On notera l'expansion latérale (e) du segment abdominal 6 qui s'intercale entre les coxae de p2 et de p3. Abréviations: a6, segment abdominal 6; c, condyle épineux de p1; cx1, cx2, cx5, coxa de p1, de p2 et de p5; e, expansion du segment abdominal 6; mxp3, 3e maxillipède; t, telson; 1-2, 3, 4, sternites thoraciques 1-2, 3, 4. Échelles: 2,5 mm.
FIG. 3 in Annotated catalogue of brachyuran type specimens (Crustacea, Decapoda, Brachyura) deposited in the Muséum national d'Histoire naturelle, Paris. Part I. Podotremata
FIG. 3. — First page of the handwritten catalogue of Crustacea of Latreille, referenced A 53 1, dated 1814.
FIG. 1. — Cosmonotus mclaughlinae n in A new species of the crab genus Cosmonotus Adams & White in White, 1848 (Crustacea, Podotremata, Raninidae) from the Indo-West Pacific Ocean
FIG. 1. — Cosmonotus mclaughlinae n. sp., ♂ holotype, Philippines (MNHN-B 29929): A, B, lateral and dorsal view of the carapace; C, detail of fronto-orbital margin of the carapace, setae excluded; D, dorsal surface of carpus of right cheliped. Notice the absence of median rostral process (A), presence of only one supraorbital notch (C), and carpus of cheliped densely ornamented with rounded tubercles (D). Scale bars: A, B, 4 mm; C, D, 1 mm.
FIG. 2 in Annotated catalogue of brachyuran type specimens (Crustacea, Decapoda, Brachyura) deposited in the Muséum national d'Histoire naturelle, Paris. Part I. Podotremata
FIG. 2. — Types of jars used in the MNHN alcohol collection of Crustacea (A-C, see text).
FIG. 1 in Annotated catalogue of brachyuran type specimens (Crustacea, Decapoda, Brachyura) deposited in the Muséum national d'Histoire naturelle, Paris. Part I. Podotremata
FIG. 1. — Types of boxes used in the MNHN dry collection of Crustacea (A-D, see text).
FIGURE 10A–D. Ibericancer sanchoi n. gen., n in Ibericancridae, a new dakoticancroid family (Decapoda, Brachyura, Podotremata) from the upper Campanian (Upper Cretaceous) of Spain
FIGURE 10A–D. Ibericancer sanchoi n. gen., n. sp., paratype MGSB 68574f (specimen whitened with ammonium chloride prior to photography); A. frontal view; B. dorsal view; C. reconstruction of the complete frontal view; D. reconstruction of the complete carapace in dorsal view.
FIGURE 9A–C. Ibericancer sanchoi n. gen., n in Ibericancridae, a new dakoticancroid family (Decapoda, Brachyura, Podotremata) from the upper Campanian (Upper Cretaceous) of Spain
FIGURE 9A–C. Ibericancer sanchoi n. gen., n. sp.; A. paratype MGSB 68574a, dorsal view; B. holotype MGSB 68572, posterior view showing the concavity of the posterior margin; C. detail of P1-P5 in the same specimen of A.
FIGURE 8A–D. Ibericancer sanchoi n. gen., n in Ibericancridae, a new dakoticancroid family (Decapoda, Brachyura, Podotremata) from the upper Campanian (Upper Cretaceous) of Spain
FIGURE 8A–D. Ibericancer sanchoi n. gen., n. sp.; paratypes: A. partial ventral view of a male, MGSB 68574c; the arrow indicating the male gonopore on P5 coxa; B. partial carapace in dorsal view, MGSB 68574d, showing the complete front and orbit; C. oblique lateral view of the same specimen; the arrow indicating the infraorbital protuberance; D. oblique partial view, MGSB 68574e, with detail of reduced P4 and P5.
FIGURE 7A–C. Ibericancer sanchoi n. gen., n in Ibericancridae, a new dakoticancroid family (Decapoda, Brachyura, Podotremata) from the upper Campanian (Upper Cretaceous) of Spain
FIGURE 7A–C. Ibericancer sanchoi n. gen., n. sp.; paratypes: A. MGSB 68573h, oblique lateral view showing the reduced last pair of periopods; the arrows indicating P4 and P5; B-C. MGSB 68574b, ventral and lateral views, respectively, displaying the pterygostomial region.
FIGURE 6A, B. Ibericancer sanchoi n. gen., n in Ibericancridae, a new dakoticancroid family (Decapoda, Brachyura, Podotremata) from the upper Campanian (Upper Cretaceous) of Spain
FIGURE 6A, B. Ibericancer sanchoi n. gen., n. sp.; holotype MGSB 68572, male: A. left lateral view showing lateral side and a portion of the pterygostomial region slightly displaced; B. ventral view.
FIGURE 5A–D. Ibericancer sanchoi n. gen., n in Ibericancridae, a new dakoticancroid family (Decapoda, Brachyura, Podotremata) from the upper Campanian (Upper Cretaceous) of Spain
FIGURE 5A–D. Ibericancer sanchoi n. gen., n. sp.; paratypes: A. MGSB 68573d, oblique posterior view showing reduced P4 and P5; B. MGSB 68573e, posterior view showing a2 covering the male gonopore; C. MGSB 68574f, partial male abdomen and thoracic sternum; D. MGSB 68574g, complete female abdomen; the arrow indicating gonopore on P3 coxa.
FIGURE 4A–E. Ibericancer sanchoi n. gen., n in Ibericancridae, a new dakoticancroid family (Decapoda, Brachyura, Podotremata) from the upper Campanian (Upper Cretaceous) of Spain
FIGURE 4A–E. Ibericancer sanchoi n. gen., n. sp.; A. thoracic sternum, paratype MGSB 68573a, the arrows indicating the abdominal holding mechanism on sternite 5 and G1; B, C. enlargement of G1; D. female thoracic sternum, paratype MGSB 68573b, the arrow indicating the press button type protuberance on sternite 5; E. paratype MGSB 68573c, outer surface of left chela.
FIGURE 3A–E in Ibericancridae, a new dakoticancroid family (Decapoda, Brachyura, Podotremata) from the upper Campanian (Upper Cretaceous) of Spain
FIGURE 3A–E. Casts of Dakoticancer overana; A. MNHN B22902-1 (cast of USNM 173529-1), ventral view of a male; B. posterior view of the same specimen; C. details of the abdominal holding mechanism, the arrow indicating the press button protuberance on sternite 5; D. MNHM B22902-2 (cast of USNM 173529-2), ventral view of a female, without the abdomen; the arrow indicating the aperture of the spermatheca; E. MNHN B22903 (cast of USNM 173544), ventral view of a female; the arrow indicating the female gonopore on P3 coxa.
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