Cephalaspideans and Anaspideans

This page contains some of the Cephalaspidean and Anaspidean 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.

Although slower to load, this list with thumbnail images is available here.

Order CEPHALASPIDEA

Family ACTAEONIDAE
Acteon virgatus
Pupa alveola
Pupa sulcata

Family HYDATINIDAE
Hydatina amplustre
Hydatina physis
Micromelo undata


Family SMARAGDINELLIDAE
Phanerophthalmus cylindricus ?
Phanerophthalmus smaragdinus
Smaragdinella calyculata


Family BULLIDAE
Bulla ampulla

Family HAMINOEIDAE
Atys kuhnsi
Atys semistriata
Atys
sp. e173
Atys sp. e511
Atys ? sp. e513
Diniatys dentifer
Haminoea cymbalum
Haminoea galba
Haminoea linda
Haminoea musetta
Haminoea ovalis
Haminoea sp. e269
Haminoea sp. e464b
Haminoea sp. e502
Haminoea sp. e540

Family AGLAJIDAE
Aglaja orientalis
Chelidonura amoena
Chelidonura fulvipunctata
Chelidonura hirudinina
Chelidonura inornata
Chelidonura
sp. e436
Chelidonura ? sp. e088
Cheldonura sp. e476
Chelidonura sp. e512
Chelidonura sp. e528
Melanochlamys sp. e509
Odontoglaja guamensis
Odontoglaja
? sp. e028
Philinopsis gardineri
Philinopsis pilsbryi
Philinopsis
cf pilsbryi
Philinopsis reticulata
Philinopsis
sp. e489
Philinopsis
sp. e516
Philine orca

aglajid sp. e300
aglajid ? sp. e326
aglajid sp. e518

Family GASTROPTERIDAE
Gastropteron cf bicornutum
Sagaminopteron nigropunctatum

Sagaminopteron psychedelicum
Siphopteron brunneomarginatum

gastropterid sp. e520

Family DIAPHANIDAE
Colpodaspis thompsoni

Family ILBIIDAE
Ilbia mariana


Order ANASPIDEA

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