''Augenerilepidonotus dictyolepis'' is a species of marine
annelid
The annelids (Annelida , from Latin ', "little ring"), also known as the segmented worms, are a large phylum, with over 22,000 extant species including ragworms, earthworms, and leeches. The species exist in and have adapted to various ecol ...
s in the family
Polynoidae
Polynoidae is a family of marine Polychaete worms known as "scale worms" due to the scale-like elytra on the dorsal surface. Almost 900 species are currently recognised belonging to 9 subfamilies and 167 genera. They are active hunters, but gene ...
(scale worms) and the sole member of the genus ''Augenerilepidonotus''. It is known from Australia, usually from depths of about 40 metres or less.
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Description
Body dorsoventrally flattened, short, with 26 segments and 12 pairs of
elytra
An elytron (; ; , ) 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 (sometimes alterna ...
on segments 2, 4, 5, 7, 9, 11, 13, 15, 17, 19, 21, and 2.
Prostomium
The prostomium (From Ancient Greek, meaning "before the mouth"; plural: prostomia; sometimes also called the "acron") is the cephalized first body segment in an annelid worm's body at the anterior end. It is in front of (but does not include) th ...
with three
antennae; lateral antennae continuous with prostomium, laterally to median antenna.
elytra
An elytron (; ; , ) 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 (sometimes alterna ...
covered with chitinous irregular polygonal areas.
Notochaetae
A chaeta or cheta (from Greek χαίτη “crest, mane, flowing hair"; plural: chaetae) is a chitinous bristle or seta found in annelid worms, (although the term is also frequently used to describe similar structures in other invertebrates such ...
slender and densely serrated.
Neurochaetae
A chaeta or cheta (from Greek χαίτη “crest, mane, flowing hair"; plural: chaetae) is a chitinous bristle or seta found in annelid worms, (although the term is also frequently used to describe similar structures in other invertebrates such ...
much more stout, with few rows of spines distally and exclusively
unidentate tips (see Pettibone, 1995 for detailed diagnosis)
.
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''Augenerilepidonotus dictyolepis'' is very similar to species of
Lepidonotus
''Lepidonotus'' is a genus of marine annelids in the family Polynoidae (scale worms). The genus occurs globally and includes 80 species, usually found in shallow waters down to about 80 metres.
Description
Body dorsoventrally flattened, sho ...
, differing only by the polygonal ornamentation of the
elytra
An elytron (; ; , ) 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 (sometimes alterna ...
.
Gallery
References
{{Taxonbar, from1=Q61608858, from2=Q3532161
Phyllodocida
Polychaete genera