Lysianopsis hummelincki (Stephensen, 1933)

White, Kristine N., 2024, Caribbean Amphipoda (Crustacea) of Panama. Part III: parvorder Lysianassidira, ZooKeys 1216, pp. 149-171 : 149-171

publication ID

https://doi.org/ 10.3897/zookeys.1216.135258

publication LSID

lsid:zoobank.org:pub:67B6C273-62C5-4F89-AE63-316B73D65D55

DOI

https://doi.org/10.5281/zenodo.13988718

persistent identifier

https://treatment.plazi.org/id/D13FA4B9-0A9A-55C2-830A-AEE4DDE79CCB

treatment provided by

ZooKeys by Pensoft

scientific name

Lysianopsis hummelincki (Stephensen, 1933)
status

 

Lysianopsis hummelincki (Stephensen, 1933) View in CoL

Figs 4 View Figure 4 , 10 D View Figure 10

Lysianassa hummelincki Stephensen, 1933 b: 438–440, fig. 1; Pirlot 1936: 256; Stephensen 1948: 1, 3, table 1; J. L. Barnard 1958: 94; Hurley 1963: 72; Ortiz 1979: 19. View in CoL

Lysianassa falcata Stephensen, 1933 b: 440–441, fig. 2; Stephensen 1948: 1, 4, table 1; J. L. Barnard 1958: 94; Ortiz 1979: 19. View in CoL

Lysianopsis alba Barnard & Karaman, 1991: 499 (in part). View in CoL

Falcanassa falcata Barnard & Karaman, 1991: 486. View in CoL

Lysianopsis hummelincki Lowry & Stoddart, 1997: 82–89, figs 37–39. View in CoL

Material examined.

Panama • 4 mm • 1 ♂; Bocas del Toro, Hospital Point ; 9.3320°N, 82.2148°W; depth 1–3 m, among coral rubble; 22 June 2023; K. N. White leg.; USNM 1739777 About USNM GoogleMaps .

Diagnosis.

Upper lip produced well beyond epistome; epistome straight. Gnathopod 1 of male prehensile. Pereopod 7 basis slightly expanded, posterior margin almost straight, merus slightly expanded, approximately 1.4 × width of carpus. Uropod 3 peduncle length about 1.5 × width; outer ramus 1 - articulate. Telson distal margin rounded.

Distribution.

Lesser Antilles: Curaçao ( Stephensen 1933 b); Panama: Bocas del Toro (present study).

Ecology and remarks.

These amphipods are associated with sand and coral rubble at depths of intertidal 0– 12 m. Panamanian specimens agree closely with previous descriptions with the exception of the almost straight posterior margin on the pereopod 7 basis, which was described by Lowry and Stoddart (1997) as slightly concave. This species is easily recognizable by the 1 - articulate outer ramus on uropod 3 and the prehensile gnathopod 1 in males. Panamanian specimens are white with brown spots when alive.

Kingdom

Animalia

Phylum

Arthropoda

Class

Malacostraca

Order

Amphipoda

ParvOrder

Lysianassidira

SuperFamily

Lysianassoidea

Family

Lysianassidae

Genus

Lysianopsis

Loc

Lysianopsis hummelincki (Stephensen, 1933)

White, Kristine N. 2024
2024
Loc

Lysianopsis hummelincki

Lowry JK & Stoddart HE 1997: 89
1997
Loc

Lysianopsis alba

Barnard JL & Karaman GS 1991: 499
1991
Loc

Falcanassa falcata

Barnard JL & Karaman GS 1991: 486
1991
Loc

Lysianassa falcata

Ortiz M 1979: 19
Barnard JL 1958: 94
Stephensen K 1948: 1
1948
Loc

Lysianassa hummelincki

Ortiz M 1979: 19
Hurley DE 1963: 72
Barnard JL 1958: 94
Stephensen K 1948: 1
Pirlot JM 1936: 256
1936