Oxynoe olivacea

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Oxynoe olivacea
view from bottom to Oxynoe olivacea
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Family: Oxynoidae
Genus: Oxynoe
Species:
O. olivacea
Binomial name
Oxynoe olivacea
Rafinesque, 1814 or 1819[citation needed
]

Oxynoe olivacea is a

mollusk in the family Oxynoidae
.

Despite a superficial resemblance, this is not a nudibranch, it is a sacoglossan, and like other Oxynoe species, it has a small, fragile, bubble-shaped shell.

Distribution

This species is found in the

type locality for this species is Sicily, Italy.[1]

Description

Body is elongated, swollen in front of the middle, with the tail long and narrow, pleuropodial lobes partly covering the shell, the line of their junction forming a crest or ridge the entire length of the tail. Upper side of tentacles and outer surface of pleuropodia and tail papillose. Color above clear green, the borders of the foot and pleuropodial lobes, and ends of the tentacles margined with alternating spots of pale red and blue-black. The sole is yellowish.[2]

The shell is external, thin, fragile, pellucid and shining, convolute and globose. The shell is truncate and slightly contracted at summit, rounded and dilated at base. The

sutural slit. The aperture is very large, angled above, rounded below. The lip is arcuate, simple and acute. The columellar margin is with a very thin film of callus above, concave below, acute, forming an open spiral through which the interior of the whorls may be seen from the base. Color is uniform glassy white, with a thin transparent and shining, very light yellow cuticle.[2]

The height of the shell is 12 mm. The width of the shell is 9 mm.[2]

Egg mass of Oxynoe olivacea

References

This article incorporates public domain text from the reference.[2]

  1. Bonner zoologische Beiträge
    55(2006)(3-4): 255–281.
  2. ^
    Manual of Conchology. Volume 16. Philinidae, Gastropteridae, Aglajidae, Aplysiidae, Oxynoeidae, Runcinidae, Umbraculidae, Pleurobranchidae. page 162-163, Frontispiece, figure 17, plate 11
    , figure 43, 44, 46-50, 58-62.

Further reading

External links