A Global Mission

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-0002899

San Remo - WP - Ch. Bank & Platform;31 - Nemertea;BQCAB0020;Baseodiscus sp. SMSA085;SMSA085;SP02343;AN011162;NMVF202139;PID0037071

Species ID

OC-SP-0002899

Discovered

Phylum

Nemertea

Species ID

OC-SP-0002899

Provisional Species Name

Baseodiscus sp_SMSA085

Lowest Valid Taxon Name in WoRMS

Baseodiscus

Lowest Known Rank

Genus

Status

Discovered

Does the taxonomist(s) intend to work on this material further?

3. I/We are not sure yet. This is of course no problem, we will display your species info (if not embargoed) while you work out your species description plan.

Embargo

No

Kingdom

Animalia

Phylum

Nemertea

Class

Pilidiophora

Order

Heteronemertea

Family

Valenciniidae

Genus

Baseodiscus

Date Identified

25/12/2025

Taxonomic Remarks

Morphologically distinct from other known species. COI sequence divergence from the nearest congener is >15%, suggesting this South Australian species is distinct from previously discovered species.

Received All Minimal Data for Discovery

08/04/2026

Description of Material

Body 240 mm long, 15 mm wide, dorso-ventrally flattened; base color opaque white, with dense tan mottling covering both dorsal and ventral side. Cephalic lobe spade-shaped, as in other members of the genus, separated from the body by a pair of transverse cephalic furrows, equipped with numerous secondary furrows.

Ecology

Found intertidally under rocks in a muddy environment.

Distribution

Only known from San Remo, Victoria, Australia.

Scientific Name Authorship

Maslakova, Svetlana

San Remo - WP - Ch. Bank & Platform;31 - Nemertea;BQCAB0020;Baseodiscus sp. SMSA085;SMSA085;SP02343;AN011162;NMVF202139;PID0037071

Join the census

The Ocean Census Alliance unites national and philanthropic marine institutes, museums, and universities, backed by governments, philanthropy, business and civil society partners.