Species ID
OC-SP-0002980
Discovered
Phylum
Nemertea
Species ID
OC-SP-0002980
Provisional Species Name
Tetrastemma sp_SMTM013
Lowest Valid Taxon Name in WoRMS
Tetrastemma
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
Hoplonemertea
Order
Monostilifera
Family
Tetrastemmatidae
Genus
Tetrastemma
Date Identified
22/07/2025
Taxonomic Remarks
Differs from other known congeners by a distinct colour pattern and COI sequence (12 % divergence from the nearest relative).
Received All Minimal Data for Discovery
08/04/2026
Description of Material
Body 5-7 mm long, 0.25-0.3 mm wide, semi-translucent, except for the gut, with two narrow ochre-coloured longitudinal dorsal stripes extending from cephalic lobe to posterior tip; with four ocelli, anterior pair largely obscured by an opaque anterior white cephalic patch and an adjacent posterior dark brown cephalic patch. Posterior pair of ocelli visible at the level of cerebral organ furrows, which are oblique and conspicuous. Additional small opaque white patch found between the two posterior ocelli. Neck furrow inconspicuous. Bluntly rounded posterior tip is opaque white with one or two small dark brown spots anterior to the opaque white region and marking the posterior end of the dorsal ochre stripes. Stylet basis truncated, widening distally (skirt-shaped), S/B =0.8. Two accessory stylet sacs with 2-3 stylets each.
Ecology
Associated with coral rubble.
Distribution
Only known from Atauro Island, Timor-Leste.
Scientific Name Authorship
Maslakova, Svetlana
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