''Sediliopsis'' 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 ...
Pseudomelatomidae
Pseudomelatomidae is a family (biology), family of predatory sea snails, marine gastropods included in the superfamily Conoidea (previously Conacea) and part of the Neogastropoda (Taxonomy of the Gastropoda (Bouchet & Rocroi, 2005), Bouchet & Ro ...
.
This genus was long considered as extinct since the late
Miocene
The Miocene ( ) is the first epoch (geology), geological epoch of the Neogene Period and extends from about (Ma). The Miocene was named by Scottish geologist Charles Lyell; the name comes from the Greek words (', "less") and (', "new") and mea ...
, until ''Sedeliopsis riosi'' was discovered off Brazil, obviously a relict-pocket occurrence.
Species
Species within the genus ''Sediliopsis'' include:
* † ''
Sediliopsis angulata''
(Martin, 1904)
* † ''
Sediliopsis aphanitoma''
(Dall, 1892)
* † ''
Sediliopsis calvertensis''
(Martin, 1904)
* † ''
Sediliopsis chowanensis''
(J. Garnder, 1948)
* † ''
Sediliopsis distans''
(Conrad, 1862)
* † ''
Sediliopsis gracilis''
(Conrad, 1830)
* † ''
Sediliopsis incilifera''
(Conrad, 1834)
* † ''
Sediliopsis ondulum''
(Fargo, 1953)
* † ''
Sediliopsis patuxentia''
(Martin, 1904)
* ''
Sediliopsis riosi''
Tippett, 1995
References
External links
*
*
Worldwide Mollusc Species Data Base: Pseudomelatomidae
Pseudomelatomidae
Gastropod genera
{{Pseudomelatomidae-stub