Portlockiellidae is an extinct
family
Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...
of
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 ...
s in the clade
Vetigastropoda
Vetigastropoda is a major Taxonomy (biology), taxonomic group of sea snails, marine (ocean), marine gastropod mollusc, mollusks that form a very ancient lineage (evolution), lineage. Taxonomically the Vetigastropoda are sometimes treated as an O ...
(according to the
taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).
This family has no subfamilies.
Genera
Genera within the family Portlockiellidae include:
The Paleobiology Database, accessed 10 April 2009.
* '' Portlockiella'' Knight, 1945 - the type genus
In biological taxonomy, the type genus is the genus which defines a biological family and the root of the family name.
Zoological nomenclature
According to the International Code of Zoological Nomenclature, "The name-bearing type of a nominal f ...
* '' Agniesella''
* '' Hammatospira''
* '' Nodonema''
* '' Shansiella'' = ''Latischisma''
* '' Tapinotomaria''
References
{{paleo-gastropod-stub