''Admetella'' is a genus of marine
annelid
The annelids (), also known as the segmented worms, are animals that comprise the phylum Annelida (; ). The phylum contains over 22,000 extant species, including ragworms, earthworms, and leeches. The species exist in and have adapted to vario ...
s in the family
Polynoidae
Polynoidae is a family (biology), family of marine Polychaete worms known as "scale worms" due to the scale-like elytron (Annelida), elytra on the dorsal surface. Almost 900 species are currently recognised belonging to 9 subfamilies and 167 gen ...
(scale worms). Species of ''Admetella'', although uncommonly collected are nevertheless known from widespread localities in the
Indian,
Pacific
The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean, or, depending on the definition, to Antarctica in the south, and is bounded by the cont ...
and
Atlantic Oceans at depths of 400–6,000 m.
[
]
Description
Species of ''Admetella'' have a short triangular sheath-like appendage at the base of the
lateral antennae and have 50 or more segments and 25 to 31 pairs of
elytra
An elytron (; ; : elytra, ) is a modified, hardened forewing of beetles (Coleoptera), though a few of the true bugs (Hemiptera) such as the family Schizopteridae are extremely similar; in true bugs, the forewings are called hemelytra (sometime ...
.
Notochaetae and
neurochaetae are long, slender and are distally flattened.
Species
Three valid species of ''Admetella'' are known as of July 2020:
[
]
*''
Admetella brevis'' Levenstein, 1978
*''
Admetella hastigerens'' Chamberlin, 1919
*''
Admetella longipedata'' (McIntosh, 1885)
Notes
References
{{Taxonbar, from=Q3921863
Phyllodocida
Polychaete genera