Cape Conran - East Cape;31 - Nemertea;BQDAC0020;MRG923-08;Tetrastemma sp. SMSA023;SMSA023;SP03515;AN021998;NMVF290315;PID0236802
Species ID
OC-SP-0002968
Discovered
Phylum
Nemertea
Species ID
OC-SP-0002968
Provisional Species Name
Tetrastemma sp_SMSA023
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
20/01/2026
Taxonomic Remarks
This species is easily distinguished from other local Tetrastemma spp. by the color pattern on the head, its distinctive stylet basis, and by COI sequence data.
Received All Minimal Data for Discovery
08/04/2026
Description of Material
Body 5 – 15 mm long, 0.5 – 1 mm wide, light orange to sandy brown. Two pairs of ocelli. Cephalic lobe has a white anterior margin and a diffuse patch of brighter orange over the eyes. Cephalic lobe same width as neck, twice as long as it is wide, bluntly tapered, separated from body by a neck furrow. Cerebral organ furrows visible dorsally and ventrally. Posterior tip bluntly pointed. Rhynchocoel extends almost full length of body. Stylet basis cylindrical or slightly pear shaped, distally truncated. S/B = 0.5. Two accessory stylet sacs with 2 stylets in each.
Ecology
Found on weeds, in sediment and around Pyura praeputialis on rocky reefs in the intertidal zone.
Distribution
Portland to Cape Conran, Victoria, Australia
Scientific Name Authorship
Maslakova, Svetlana
Cape Conran - East Cape;31 - Nemertea;BQDAC0020;MRG923-08;Tetrastemma sp. SMSA023;SMSA023;SP03515;AN021998;NMVF290315;PID0236802
Specimens
Additional Material
No Image yet…
AFLA_F290159
Family
Tetrastemmatidae
Additional Material
No Image yet…
AFLA_F290331
Family
Tetrastemmatidae
Additional Material
No Image yet…
AFLA_F290444
Family
Tetrastemmatidae
Additional Material
No Image yet…
AFLA_F290158
Family
Tetrastemmatidae
Primary Voucher
AFLA_F290315
Family
Tetrastemmatidae
Additional Material
No Image yet…
AFLA_F290316
Family
Tetrastemmatidae
Additional Material
No Image yet…
AFLA_F290317
Family
Tetrastemmatidae
Additional Material
No Image yet…
AFLA_F290330
Family
Tetrastemmatidae
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