Polycystinea - Spumellaria - Stylosphaeridae
Synonyms: Spongatractus Haeckel 1887 [objective synonym], Spongoxiphus Haeckel 1887
Parent taxon: Stylosphaeridae according to P. De Wever et al. 2001
See also Ehrenberg 1847, Sanfilippo et al. 2003, Sepkoski 2002 and Suzuki 2009
Sister taxa: Druppatractus, Dumitricasphaera, Lithomespilus, Praestylosphaera, Protoxiphotractus, Spongostylus, Staurolonche, Stylatractus, Stylosphaera, Xiphatractus, Zhamojdasphaera
Subtaxa: Spongatractus pachystylus Spongatractus pleurosigma Spongosphaera crasseptata Spongosphaera induta Spongosphaera polyacantha Spongosphaera streptacantha Spongosphaera tritestacea
Distribution:
• NN21 of North Pacific (4 collections)
• Quaternary of Indian Ocean (2), Japan (7)
• Eocene of Cyprus (6), North Atlantic (6), North Pacific (99), South Pacific (2)
• Paleocene of North Atlantic (2)
Total: 128 collections including 153 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.