Cephalaspideans and Anaspideans

This page contains some of the Cephalaspidean (bubble shells and their relatives) and Anaspidean (sea hares) opisthobranchs. We have not spent a lot of time searching for and photographing members of these groups, particularly the cephalaspideans, so our coverage is far from complete. Also, some of the identifications are uncertain. Unlike nudibranchs, many species in these two groups possess shells, exposed in some and internal in others, and in many cases species were originally described solely from empty shells.

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Order CEPHALASPIDEA

Family ACTAEONIDAE

Acteon virgatus
Pupa sulcata
Pupa tessellata

Family AMPLUSTRIDAE

Hydatina amplustre
Hydatina physis
Micromelo undatum

Family BULLIDAE

Bulla ampulla

Family HAMINOEIDAE

Atys curta
Atys cylindricus
Atys kuhnsi
Atys multistriatus
Atys semistriata
Diniatys dentifer
Haminoea cymbalum
Haminoea galba
Haminoea linda
Haminoea musetta
Haminoea natalensis
Haminoea ovalis
Haminoea sp. e464b
Haminoea sp. e502
Haminoea sp. e540
Haminoea sp. e566
Haminoea sp. e569
Phanerophthalmus albocollaris
Phanerophthalmus smaragdinus
Smaragdinella calyculata

Family AGLAJIDAE

Aglaja orientalis
Aglaja regiscorona
Chelidonura amoena
Chelidonura fulvipunctata
Chelidonura hirundinina
Chelidonura inornata
Chelidonura
sp. e436
Chelidonura ? sp. e088
Cheldonura sp. e476
Chelidonura sp. e528
Chelidonura sp. e556
Chelidonura varians (from Fiji)
Nakamigawaia felis
Odontoglaja guamensis
Odontoglaja
? sp. e028
Philinopsis gardineri
Philinopsis pilsbryi
Philinopsis
cf pilsbryi
Philinopsis reticulata
Philinopsis
sp. e489
Philinopsis
sp. e516
aglajid sp. e518

Family PHILINIDAE

Philine orca

Family GASTROPTERIDAE

Gastropteron sp. e317
Sagaminopteron nigropunctatum

Sagaminopteron psychedelicum
Siphopteron brunneomarginatum

gastropterid sp. e520

Family DIAPHANIDAE

Colpodaspis thompsoni

Family RUNCINIDAR

Ilbia mariana


Order ANASPIDEA

Family APLYSIIDAE

Aplysia dactylomela
Aplysia parvula
Dolabella auricularia
Dolabrifera dolabrifera
Notarchus indicus
Stylocheilus striatus
Stylocheilus longicauda