genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
of
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
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 ...
mollusk
Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is e ...
s in the
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 ...
Cochlespiridae
Cochlespiridae is a Taxonomy (biology), taxonomic family (biology), family of predatory sea snails, marine gastropod mollusks in the superfamily Conoidea.
This family is not well differentiated morphologically, and there is poor congruence betwe ...
.
Description
The shell resembles '' Irenosyrinx'', but with stronger
sculpture
Sculpture is the branch of the visual arts that operates in three dimensions. Sculpture is the three-dimensional art work which is physically presented in the dimensions of height, width and depth. It is one of the plastic arts. Durable sc ...
and with a paucispiral operculum, bearing such a relation to the normal species of ''
Turris
''Turris'' is a genus of sea snails, marine gastropod mollusks in the family Turridae, the turrids.
Description
The generally large shells are variegated with spots. The fusiform shell is turriculated with a long, sharp spire. The aperture is ...
Aforia abyssalis
''Aforia abyssalis'' is a species of sea snail, a marine gastropod mollusk in the family Cochlespiridae.
This species is also considered the type species of '' Abyssaforia'' Sysoev & Kantor, 1987
Description
Distribution
This marine specie ...
Aforia magnifica
''Aforia magnifica'' is a species of sea snail, a marine gastropod mollusk in the family Cochlespiridae.
Description
The size of an adult shell varies between 40 mm and 150 mm. The radula has a large-based unicuspid central tooth.
...
Oligocene
The Oligocene ( ) is a geologic epoch of the Paleogene Period and extends from about 33.9 million to 23 million years before the present ( to ). As with other older geologic periods, the rock beds that define the epoch are well identified but the ...