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previously placed in the Order: CEPHALASPIDEA, in the Subclass: OPISTHOBRANCHIA

Class : Gastropoda  Cuvier, 1797
Subclass:  Heterobranchia  J.E. Gray, 1840
informal group:  Lower Heterobranchia (Allogastropoda)  Haszprunar, 1985
according to Bouchet & Rocroi (2005) is the superfamily Acteonoidea no more in the Order Cephalaspidea

Superfamily:  Acteonoidea  d'Orbigny, 1843
Family:  Aplustridae  J.E. Gray, 1847


Aplustrum amplustre

Hydatina physis

Hydatina zonata

Micromelo undatus
 

Class:  Gastropoda  Cuvier, 1797
Subclass:  Heterobranchia  J.E. Gray, 1840
Clade:  Euthyneura Spengel, 1881
Superorder:  Euopisthobranchia  Jörger et al., 2010
Order:  Cephalaspidea  P. Fischer, 1883
Superfamily:  Bulloidea  J.E. Gray, 1827
Family:  Bullidae  J.E. Gray, 1827


Bulla ampulla
       

Superfamily: Diaphanoidea  Odhner, 1914
Family: Diaphanidae  Odhner, 1914


Colpodaspis thompsoni

Colpodaspis sp. 01
     

Superfamily:  Haminoeoidea  Pilsbry, 1895
Family:  Haminoeidae  Pilsbry, 1895


Aliculastrum cylindricum

Atys debilis

Atys naucum

Atys sp.01

Atys sp.02

Atys sp.03

Atys sp.04

Haminoea cymbalum

Haminoea ovalis

Haminoea sp. 03

Haminoeidae sp. 02

Haminoeidae sp. 03

Haminoeidae sp. 04
   

Family: Smaragdinellidae  A. Adams & Reeve, 1848


Phanerophthalmus albocollaris

Phanerophthalmus smaragdinus
     

Superfamily:  Philinoidea  J.E. Gray, 1850 (1815)
Family:  Aglajidae  Pilsbry, 1895 (1847)


Aglaja sp. 01

Chelidonura alexisi

Chelidonura amoena

Chelidonura electra

Chelidonura fulvipunctata

Chelidonura hirundinina

Chelidonura inornata

Chelidonura livida

Chelidonura mandroroa

Chelidonura pallida

Chelidonura sandrana

Chelidonura sp. 01

Chelidonura sp. 06

Chelidonura sp. 07

Chelidonura varians

Nakamigawaia spiralis

Noalda sp. 01

Noalda sp. 02

Odontoglaja guamensis

Philinopsis ctenophoraphaga

Philinopsis falciphallus

Philinopsis gardineri

Philinopsis lineolata

Philinopsis orientalis

Philinopsis pilsbryi

Philinopsis reticulata

Philinopsis speciosa

Philinopsis sp. 01

Philinopsis sp. 03
 

Family:  Gastropteridae  Swainson, 1840


Gastropteridae sp. 02

Gastropteridae sp. 03

Gastropteron bicornutum

Gastropteron multo

Sagaminopteron nigropunctatum

Sagaminopteron ornatum

Sagaminopteron psychedelicum

Sagaminopteron sp. 01

Siphopteron brunneomarginatum

Siphopteron flavum

Siphopteron makisig

Siphopteron sp. 03

Siphopteron tigrinum
   

 
 
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