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The mission of the Ocean Census is to accelerate the discovery of ocean life to advance fundamental science, empower conservation, and fuel innovation for the future of our planet.

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Gallery

Phylum

OC-SP-0002283

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Species ID

OC-SP-0002283

Discovered

Phylum

Arthropoda

Species ID

OC-SP-0002283

Provisional Species Name

Ampelisca sp_MNHNCL AMP-16057

Lowest Valid Taxon Name in WoRMS

Ampelisca

Lowest Known Rank

Genus

Status

Discovered

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Embargo

No

Kingdom

Animalia

Phylum

Arthropoda

Class

Malacostraca

Order

Amphipoda

Family

Ampeliscidae

Genus

Ampelisca

Date Identified

31/01/2026

Taxonomic Remarks

The genus Ampelisca comprises a large, cosmopolitan taxon of Amphilochidean amphipods, that currently includes more than 240 species. The examined material corresponds to a large-sized species with conspicuous diagnostic features that readily distinguish it as undescribed, despite the absence of a recent comprehensive revision of the genus. Some of the characters observed in the studied individuals are not present in any other species of the genus, such as the well-developed anterodistal lobe of the basis of pereopod 7 and the concave margin of posterior lobe of the basis of pereopod 7.

Received All Minimal Data for Discovery

04/03/2026

Description of Material

Eyes not discernible; head length as long as the first two pereonites; rostral area as projected as the lateral cephalic lobe; ventrolateral margin slightly convex. First peduncular article of antenna 1 approximately 0.51× the head length (about half the length of the head). Basis of pereopod 5 with an elongated anterodistal lobe. Posterior lobe in the basis of pereopod 7 with a concavity. Epimeron 3 with a small triangular tooth at the posterodistal angle. Urosomite 3 dorsally convex, relatively flat. Uropod 3 rami foliaceous, broadly lanceolate and relatively short. Telson subquadrate, distally truncated, with a diagonal row of dorsolateral setae.

Ecology

The specimens were collected in intertidally, buried in the sand of the beach.

Distribution

Currently known only from Mar Brava Beach, Chiloé, Los Lagos Region, Chile, occurring in the intertidal and upper subtidal zone.

Scientific Name Authorship

Pérez-Schultheiss

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