A New Aplysiopsis (Opisthobranchia: Hermaeidae) from Central Florida, with a Brief Summary of the Ceratiform Families of the Order Ascoglossa (=Sacoglossa)
Abstract:A new species of Aplysiopsis is described from Fort Pierce, Florida; this is the first report of the genus from the western Atlantic. Unique characteristics of the species include spoon-shaped extensions of the digestive gland diverticula, a foot with indistinct lateral margins, and pigmentation in a series of longitudinal stripes on the body and cerata. A series of veins radiates from the pericardial hump, as in the Elysiidae; this feature has not been previously reported for the genus Aplysiopsis. The new species feeds upon the alga Cladophora prolifera. Development is planktotrophic.
The genus Aplysiopsis is placed in the family Hermaeidae, which is recognized as a family distinct from the Stiligeridae. Characteristics of the families Hermaeidae, Stiligeridae, and Caliphyllidae are summarized. The Hermaeidae exhibit characteristics transitional between the Caliphyllidae and the Stiligeridae.
Document Type: Research Article
Publication date: January 1, 1982
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