''Delphinulopsidae'' is an extinct
taxonomic
Taxonomy is the practice and science of categorization or classification.
A taxonomy (or taxonomical classification) is a scheme of classification, especially a hierarchical classification, in which things are organized into groups or types. ...
family of
fossil sea snail
Sea snail is a common name for slow-moving marine gastropod molluscs, usually with visible external shells, such as whelk or abalone. They share the taxonomic class Gastropoda with slugs, which are distinguished from snails primarily by the ...
s,
marine
Marine is an adjective meaning of or pertaining to the sea or ocean.
Marine or marines may refer to:
Ocean
* Maritime (disambiguation)
* Marine art
* Marine biology
* Marine debris
* Marine habitats
* Marine life
* Marine pollution
Military
* ...
,
gastropod
The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda ().
This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...
mollusks.
Taxonomy
According to
taxonomy of the Gastropoda by Bouchet & Rocroi (2005) the family Delphinulopsidae has no subfamilies.
2007 taxonomy
The following two
subfamilies
In biological classification, a subfamily (Latin: ', plural ') is an auxiliary (intermediate) taxonomic rank, next below family but more inclusive than genus. Standard nomenclature rules end subfamily botanical names with "-oideae", and zoologi ...
have been recognized in Delphinulopsidae by Bandel (2007):
[Bandel K. (2007). "Description and classification of Late Triassic Neritimorpha (Gastropoda, Mollusca) from the St Cassian Formation, Italian Alps". '']Bulletin of Geosciences
The ''Bulletin of Geosciences'' is a peer-reviewed scientific journal publishing original research papers, review articles, and short contributions. It covers all aspects of palaeoenvironmental geology, including palaeontology, stratigraphy, sedime ...
'' 82(3): 215-274. .
* subfamily Delphinulopsinae Blodgett, Frýda & Stanley, 2001
* subfamily Platychilininae Bandel, 2007
Genera
Genera within Delphinulopsidae include:
Delphinulopsinae
* ''
Delphinulopsis'' Laube, 1868 - type genus
** ''
Delphinulopsis binodosa'' (Münster, 1841) - type species
* ''
Schwardtopsis'' Bandel, 2007
** ''
Schwardtopsis münsteri'' (Klipstein, 1843) - synonym: ''Fossariopsis münsteri'' (Klipstein, 1843) - type species
Platychilininae
* ''
Platychilina'' Koken, 1892 - type genus
** ''
Platychilina pustulosa'' Münster, 1841
** ''
Platychilina wöhrmanni'' Koken, 1892 - type species
* ''
Marmolatella'' Kittl, 1894
** ''
Marmolatella ampliata''
** ''
Marmolatella stomatia'' - synonym: ''Ostrea stomatia'' Stoppani, 1858 - type species
** ''
Marmolatella fenestrata'' (Laube, 1869)
References
{{Neritimorpha-stub