Vibilia Milne-Edwards 1830

Key to the species of the genus Vibilia 1. Posterior lateral corners of last urosomite more or less in line with distal margin...... 2 ­ Posterior lateral corners of last urosomite project slightly next to peduncle of U3.... 14 2. Eyes absent.............................................................

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Bibliographic Details
Main Author: Zeidler, Wolfgang
Format: Text
Language:unknown
Published: Zenodo 2003
Subjects:
Online Access:https://dx.doi.org/10.5281/zenodo.5087639
https://zenodo.org/record/5087639
Description
Summary:Key to the species of the genus Vibilia 1. Posterior lateral corners of last urosomite more or less in line with distal margin...... 2 ­ Posterior lateral corners of last urosomite project slightly next to peduncle of U3.... 14 2. Eyes absent............................................................................ V. caeca Bulycheva, 1955 ­ Eyes present................................................................................................................... 3 3. Eyes with ocelli in three rows............................................. V. australis Stebbing, 1888 ­ Eyes with ocelli in oval, or round, cluster..................................................................... 4 4 Pereopod 7; basis as long as, or longer than, remaining articles combined.................................................................................................. V. chuni Behning & Woltereck, 1912 ­ Pereopod 7; basis considerably shorter than remaining articles combined................... 5 5. Uropod 2 reaching limit of U3, or marginally longer. Gnathopod 2; basis inflated (mature specimens), merus with fringe of robust setae on lateral and anterior margins. Antennae 1 bulbous ............................................................... V. robusta Bovallius, 1887 ­ Uropod 2 distinctly shorter than U3. Gnathopod 2; basis with more or less parallel margins, merus with few setae. Antennae 1 often truncate.......................................... 6 6. Antennae 1 with rounded distal margin........................................................................ 7 ­ Antennae 1 with truncate or pointed distal margin..................................................... 11 7. Gnathopod 1; posterodistal angle of propodus extended posteriorly to dactylus. Gnathopod 2; carpal process usually extends to dactylus. Pereopods 3 & 4 with thick articles, dactylus almost as long as propodus .............................. V. viatrix Bovallius, 1887 ­ Gnathopod 1; posterior margin of propodus slopes gradually to base of dactylus. Gnathopod 2; carpal process extends to 0.5–0.8x length of propodus. Pereopods 3 & 4 with relatively thin articles, dactylus less than half­length of propodus....................... 8 8. Antennae 1; flagellum slightly narrower or equal in width to peduncle. Pereopod 7; basis with relatively narrow, posterodistal lobe overlapping ischium and half of merus. Telson pointed .................................................................... V. propinqua Stebbing, 1888 ­ Antennae 1; flagellum slightly wider than peduncle. Pereopod 7; basis with relatively broad posterodistal lobe barely overlapping ischium. Telson rounded....................... 9 9. Pereopods 5 & 6; dactylus longer than 0.3x length of propodus.................................... .............................................................................................. V. gibbosa Bovallius, 1887 ­ Pereopods 5 & 6; dactylus short, about 0.2x length or less of propodus.................... 10 10. Pereopods 3 & 4; dactylus relatively short and stubby, length less than 0.2x propodus. Head with anterior margin rounded, or oblique, not projected above A1....................... .............................................................................................. V. jeangerardi Lucas, 1846 ­ Pereopods 3 & 4; dactylus more slender, length more than 0.2x propodus. Head with anterior margin forming vertical, or rounded projection above base of A1 (more prominent in males) ........................................................ V. borealis Bate & Westwood, 1868 11 Pereopod 7; basis with small, sharp anterodistal lobe overlapping most of ischium...... ......................................................................... V. stebbingi Behning & Woltereck, 1912 ­ Pereopod 7; basis with anterodistal corner not produced distally to overlap ischium 12 12. Pereopods 3 & 4 with relatively thin articles, dactylus distinctly shorter than half of propodus ............................................................................ V. antarctica Stebbing, 1888 ­ Pereopods 3 & 4 with thick articles, dactylus distinctly longer than half of propodus........................................................................................................................................ 13 13. Pereopods 3 & 4 with very thick articles, especially merus and carpus. Gnathopod 1; posterodistal angle of propodus extended posteriorly to dactylus. Gnathopod 2; carpal process almost as long as propodus ....................................... V. viatrix Bovallius, 1887 : Published as part of Zeidler, Wolfgang, 2003, A review of the hyperiidean amphipod superfamily Vibilioidea Bowman and Gruner, 1973 (Crustacea: Amphipoda: Hyperiidea), pp. 1-104 in Zootaxa 280 (1) on pages 11-12, DOI: 10.11646/zootaxa.280.1.1, http://zenodo.org/record/5019514 : {"references": ["Bulycheva, A. I. (1955) Hyperiids (Amphipoda: Hyperiidae) of the north-west Pacific Ocean. Akademiya Nauk SSSR, Doklady, 102 (5), 1047 - 1050. [In Russian].", "Stebbing, T. R. R. (1888) Report on the Amphipoda collected by H. M. S. ' Challenger' during the years 1873 - 1876. Report on the Scientific Results of the Voyage of H. M. S. ' Challenger' during the years 1873 - 76 Zoology 29: i - xxiv + 1 - 1737, pls 1 - 210.", "Behning, A. L. & Woltereck, R. (1912) Achte mitteilung uber die Hyperiden der ' Valdivia' - Expedition, insbesondere uber die Vibiliden. Zoologischer Anzeiger, 41 (1), 1 - 11.", "Lucas, H. (1846) Les amphipodes. Histoire naturelle des animaux articules, premiere partie Crustaces, Arachnides, Myriapodes et Hexapodes. Exploration scientifique de I'Algerie pendant les annees 1840, 1841, 1842. Paris, pp. 51 - 56, pl. 5.", "Bate, C. S. & Westwood, J. O. (1868) A history of the British Sessile - eyed Crustacea. Vol. II. John Van Voorst, London, pp. 536."]}