Published June 5, 2026 | Version v1

Leptostylis abyssalis Muhlenhardt-Siegel 2019

  • 1. Leibniz Institute for the Analysis of Biodiversity Change, Centre for Taxonomy and Morphology, Museum of Nature Hamburg, Zoology, Hamburg, Germany
  • 2. Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Biodiversidad y Biología Experimental (DBBE), Buenos Aires, Argentina & Universidad de Buenos Aires – CONICET, Instituto de Biodiversidad y Biología Experimental y Aplicada (IBBEA), Buenos Aires, Argentina
  • 3. Leibniz Institute for the Analysis of Biodiversity Change, Centre for Taxonomy and Morphology, Museum of Nature Hamburg, Zoology, Hamburg, Germany & Leibniz Institute for the Analysis of Biodiversity Change, Centre for Biodiversity Knowledge Science, Museum of Nature Hamburg, Zoology, Hamburg, Germany

Description

Leptostylis abyssalis Mühlenhardt-Siegel, 2019

Holotype.

North Atlantic Ocean • ♂; Puerto Rico Trench, Vema-TRANSIT exped., FS Sonne stat. SO 237-14-2; 19°04.55'N, 67°07.86'W [19.07583, - 67.131; 19.07783, - 67.1295]; 4925–4934 [4935.4–4928.3] m depth; 24 January 2015; Angelika Brandt leg.; epibenthic sledge; ZMH -K-046129.

Paratypes.

* • 1 m.; Puerto Rico Trench, Vema-TRANSIT exped., FS Sonne stat. SO 237-14-1; 19°02.08'N, 67°09.44'W [19.03467, - 67.15733; 19.03517, - 67.157]; 4552 [4918.9–4921.1] m depth; 24 January 2015; Nils Brenke leg.; epibenthic sledge; ZMH -K-046130. * • ♂; same data as ZMH -K-046130; specimen dissected mounted on permanent slide; ZMH -K-046131.

Diagnosis.

Carapace slightly depressed, 2.1 times as long as free thoracic segments, no dorsomedial serration, battlement-like crenelated crest laterally. Pleonite 6 elongated, but shorter than pleonite 4 (Mühlenhardt-Siegel 2019).

Distribution.

Northwest Atlantic, Puerto Rico Trench, 4552–4934 m depth.

Notes

Published as part of Mercado-Salas, Nancy F., Mühlenhardt-Siegel, Ute, Pereira, Emanuel & Garilao, Cristina, 2026, An annotated type catalogue and a fully digitised Crustacea collection of the Museum of Nature Hamburg, Zoology. Part I: Crustacea, Malacostraca, Peracarida, Cumacea, pp. 137-193 in Evolutionary Systematics 10 (1) on pages 137-193, DOI: 10.3897/evolsyst.10.187593

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Linked records

Additional details

Biodiversity

Collection code
ZMH
Material sample ID
ZMH-K-046129 , ZMH-K-046130 , ZMH-K-046131
Event date
2015-01-24
Verbatim event date
2015-01-24
Scientific name authorship
Muhlenhardt-Siegel
Kingdom
Animalia
Phylum
Arthropoda
Order
Cumacea
Family
Diastylidae
Genus
Leptostylis
Species
abyssalis
Taxon rank
species
Type status
holotype , paratype
Taxonomic concept label
Leptostylis abyssalis Muhlenhardt-Siegel, 2019 sec. Mercado-Salas, Mühlenhardt-Siegel, Pereira & Garilao, 2026

References

  • Mühlenhardt-Siegel U (2019) The Cumacea (Crustacea: Peracarida) from a North Atlantic Transect with RV " Sonne " with the description of ten new species. Zootaxa 4572: 1–75. https://doi.org/10.11646/zootaxa.4572.1.1