Nododelphinulidae 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
fossil
A fossil (from Classical Latin , ) is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved ...
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 superfamily
Amberleyoidea (according to the
taxonomy of the Gastropoda by Bouchet & Rocroi, 2005). This family has no subfamilies.
Genera
Genera within the family Nododelphinulidae include:
* † ''
Amphitrochus''
Cossmann, 1907
* † ''
Costatrochus''
Gründel, 2009
* † ''
Falsamotrochus''
Gründel & Hostettler, 2014
* † ''
Helicacanthus''
Dacque, 1938
* † ''
Laubetrochus''
Gründel & Hostettler, 2014
* † ''
Nododelphinula''
Cossmann, 1916, the type genus
** † ''
Nododelphinula buckmani''
(Morris & Lycett, 1850)
File:Costatrochus_subduplicatus_var._subduplicatus_01.JPG, ''Costatrochus subduplicatus var. subduplicatus''
File:Costatrochus_subduplicatus_var._palinurus_01.JPG, ''Costatrochus subduplicatus var. palinurus''
File:Helicacanthus tegulatus 01.JPG, ''Helicacanthus tegulatus''
References
Gastropod families
{{paleo-gastropod-stub