''Eumetadrillia'' is a
genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of
sea snail
Sea snails are slow-moving marine (ocean), marine gastropod Mollusca, molluscs, usually with visible external shells, such as whelk or abalone. They share the Taxonomic classification, taxonomic class Gastropoda with slugs, which are distinguishe ...
s, marine
gastropod
Gastropods (), commonly known as slugs and snails, belong to a large Taxonomy (biology), taxonomic class of invertebrates within the phylum Mollusca called Gastropoda ().
This class comprises snails and slugs from saltwater, freshwater, and fro ...
mollusk
Mollusca is a phylum of protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant species of molluscs are recognized, making it the second-largest animal phylum after Arthropoda. The ...
s in the
family
Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...
Drilliidae
The Drilliidae are a taxonomic family of small predatory sea snails with high-spired shells. They are classified as marine gastropod mollusks in the superfamily Conoidea.
This family has no subfamilies. It consists of about 30 genera and approx ...
.
[Bouchet, P. (2011). Eumetadrillia Woodring, 1928. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=578103 on 2011-10-24]
Species
Species within the genus ''Eumetadrillia'' include:
* † ''Eumetadrillia acidna''
Woodring, 1970
* † ''Eumetadrillia dodona''
Gardner, 1937
* † ''Eumetadrillia mauryae''
Perrilliat, 1973
* † ''Eumetadrillia rabdotacona''.
Gardner, 1937
* † ''Eumetadrillia serra''
Woodring, 1928
* † ''Eumetadrillia thalmanni''
Perrilliat, 1973
All these species are only known from fossils from the
Middle Miocene
The Middle Miocene is a sub-epoch of the Miocene epoch (geology), epoch made up of two Stage (stratigraphy), stages: the Langhian and Serravallian stages. The Middle Miocene is preceded by the Early Miocene.
The sub-epoch lasted from 15.97 ± 0. ...
in
Central America
Central America is a subregion of North America. Its political boundaries are defined as bordering Mexico to the north, Colombia to the southeast, the Caribbean to the east, and the Pacific Ocean to the southwest. Central America is usually ...
(Mexico, Panama). An alternate representation is under ''
Agladrillia
''Agladrillia'' is a genus of sea snails, marine gastropod mollusks in the family (biology), family Drilliidae.
Description
A specific characteristic for this genus is that the outer lip is strongly drawn in towards the base.
(Description by We ...
(Eumetadrillia)'', which contains also one recent species ''Agladrillia (Eumetadrillia) fuegiensis'' (Smith, E.A., 1888)
References
* W. P. Woodring. 1928. ''Miocene Molluscs from Bowden, Jamaica. Part 2: Gastropods and discussion of results'' . Contributions to the Geology and Palaeontology of the West Indies
* Bouchet P., Kantor Yu.I., Sysoev A. & Puillandre N. (2011) ''A new operational classification of the Conoidea''. Journal of Molluscan Studies 77: 273–308.
External links
WMSDB - Worldwide Mollusc Species Data Base: family Drilliidae
{{Drilliidae-stub