''Tropaeas'' 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 ...
Pyramidellidae
Pyramidellidae, common name the pyram family, or pyramid shells, is a voluminous taxonomic family of mostly small and minute ectoparasitic sea snails, marine heterobranch gastropod molluscs. The great majority of species of pyrams are micromol ...
, the pyrams and their allies.
[Bouchet, P. (2010). ''Tropaeas'' Dall & Bartsch, 1904. Accessed through: ]World Register of Marine Species
The World Register of Marine Species (WoRMS) is a taxonomic database that aims to provide an authoritative and comprehensive catalogue and list of names of marine organisms.
Content
The content of the registry is edited and maintained by scien ...
at http://www.marinespecies.org/aphia.php?p=taxdetails&id=545285 on 2011-10-26
General description
The surface of the shell is marked by strong axial ribs. The intercostal spaces are spirally pitted. The early
teleoconch
The gastropod shell is part of the body of many gastropods, including snails, a kind of mollusc. The shell is an exoskeleton, which protects from predators, mechanical damage, and dehydration, but also serves for muscle attachment and calcium ...
whorl
A whorl ( or ) is an individual circle, oval, volution or equivalent in a whorled pattern, which consists of a spiral or multiple concentric objects (including circles, ovals and arcs).
In nature
File:Photograph and axial plane floral diagra ...
s are
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 ...
d differently from the later ones. The shell is
umbilicated and contains two
columella
Lucius Junius Moderatus Columella (, Arabic: ) was a prominent Roman writer on agriculture in the Roman Empire.
His in twelve volumes has been completely preserved and forms an important source on Roman agriculture and ancient Roman cuisin ...
r folds.
Species
* ''
Tropaeas badia'' (A. Adams, 1863)
* ''
Tropaeas brunneomaculata'' (Melvill, 1897)
* ''
Tropaeas castanea'' (A. Adams, 1863)
* ''
Tropaeas crassicostata'' (Sowerby III, 1901)
* ''
Tropaeas enelata'' (Melvill, 1910)
* ''
Tropaeas gracilis'' (A. Adams, 1854)
* ''
Tropaeas gradatula'' (Melvill, J.C. & R. Standen, 1897)
* ''
Tropaeas halaibensis'' Sturany, 1903
* ''
Tropaeas imperforata'' Laseron, 1959
* ''
Tropaeas livida'' (Sowerby III, 1901)
* ''
Tropaeas luteomaculosa'' (Nomura, 1938)
* ''
Tropaeas natalensis'' E. A. Smith, 1906
* ''
Tropaeas strigulata'' (A.Adams, 1862)
* ''
Tropaeas subulata'' (A. Adams, 1853)
;Species brought into synonymy:
* ''Tropaeas castaneus''
ic: synonym of ''Tropaeas castanea'' (A. Adams, 1863)
* ''Tropaeas fortiplicata'' Nomura, 1936: synonym of ''
Siogamaia fortiplicata'' (Nomura, 1936)
* ''Tropaeas strigatula''
ic: synonym of ''Tropaeas strigulata'' (A. Adams, 1863)
* ''Tropaeas strigillata''
ic: synonym of ''Tropaeas strigulata'' (A. Adams, 1863)
* ''Tropaeas teres'' (A. Adams, 1861): synonym of ''
Longchaeus turritus
''Longchaeus turritus'' is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.Bouchet, P. (2015). Longchaeus turritus. Accessed through: World Register of Marine Species at http://marines ...
'' (A. Adams, 1854)
The Indo-Pacific Molluscan Database also includes the following species:
OBIS: Topaeas Dall& Bartsch, 1904
/ref>
* '' Tropaeas contracta'' (Saurin, 1959)
* '' Tropaeas dubia'' (Schepman, 1909)
* '' Tropaeas hadwigis'' Thiele, 1925
* '' Tropaeas isolda'' Thiele, 1925
* '' Tropaeas lanassae'' Hornung & Mermod, 1924
* '' Tropaeas latonae'' Hornung & Mermod, 1924
* '' Tropaeas luteomaculosa'' (Nomura, 1938)
* '' Tropaeas secunda'' (Saurin, 1959)
* '' Tropaeas stylifera'' Thiele, 1925
* '' Tropaeas subcarnea'' (Schepman, 1909)
* '' Tropaeas subglabra'' (Odhner, 1919)
References
External links
World Register of Marine Species
{{Taxonbar, from=Q7845590
Pyramidellidae