Species ID
OC-SP-0002598
Discovered
Phylum
Arthropoda
Species ID
OC-SP-0002598
Provisional Species Name
Heteroserolis sp_MoV7411
Lowest Valid Taxon Name in WoRMS
Heteroserolis
Lowest Known Rank
Genus
Status
Discovered
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Embargo
No
Kingdom
Animalia
Phylum
Arthropoda
Class
Malacostraca
Order
Isopoda
Family
Serolidae
Genus
Heteroserolis
Date Identified
12/11/2025
Taxonomic Remarks
Heteroserolis MoV7411 is recognised by the relatively broad pleotelson, with a pair of obscure curved sublateral ridges occupying the middle third, and the absence of middorsal tubercles. Epimera 2 and 3 are vertically flat and scarcely separate coxal dorsal plate 6 from the pleotelson. The female is relatively wider than in other species of Heteroserolis (1.2 times as long as wide). Interim diagnosis. Based on female and male. Female 1.2 times as long as wide; male 1.15 times as long as wide. Body dorsally not setose. Head without posterior tubercle; pereonites 1–4, pleonites 1–3 each without median tubercle; pereonites 1–6, pleonities 2, 3 laterally smooth in female; pereon, pleon sculpture similar in both sexes. Pereonite 1 anterolateral margins convex. Coxal dorsal plates 1–6 marginally contiguous; coxal dorsal plates 2–4 delimited from pereonite tergites by non-articulating suture; plate 6 well overlapping and enclosing pleonal epimera 2 and 3, reaching midway along pleotelson. Male coxal ventral plates 2–4 meeting mesially, without mesial marginal ridges; 5–7 serially fused, separated by single mesial plate bearing pair of simple gonopores. Pleonites 2, 3 epimera margins terminating as flat vertical blades. Pleotelson lateral margins sinusoidal, tapering from base; 0.9 times as long as wide; with median ridge over most of length, with obsolete sublateral curved longitudinal ridge; apex concave. Pleonite 1 sternite with prominent keel reaching midway along smaller keel on pleonite 2; pleonite 3 with grooved keel as long as that on pleonite 2. Uropod attaching about quarter way along lateral margin of pleotelson; endopod reaching almost to pleotelson apex, tapering to rounded apex; exopod as long as endopod, apex rounded.
Received All Minimal Data for Discovery
01/04/2026
Description of Material
The species is known from 55 individuals of both sexes with maximum size of males, 6.3 mm, and ovigerous females, 10.2 mm.
Ecology
Like all members of this family, Serolidae, the species is benthic living on the surface of the sediment.
Distribution
Australia, Western Australia. IMCRA Northwest Shelf Province; 37–84 m depth.
Specimens
Additional Material
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NMV J76960
Family
Serolidae
Additional Material
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NMV J76961
Family
Serolidae
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NMV J76962
Family
Serolidae
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NMV J76963
Family
Serolidae
Additional Material
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NMV J76964
Family
Serolidae
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NMV J76965
Family
Serolidae
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NMV J76966
Family
Serolidae
Additional Material
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NMV J76967
Family
Serolidae
Additional Material
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NMV J76968
Family
Serolidae
Additional Material
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NMV J76910
Family
Serolidae
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