''Monilea philippii'' is a
species
A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...
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 ...
, a
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 ...
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 ...
Trochidae
The Trochidae, common name top-snails or top-shells, are a family of various sized sea snails, marine gastropod molluscs in the subclass Vetigastropoda. This family is commonly known as the top-snails because in many species the shell resembles ...
, the top snails.
[WoRMS (2012). ''Monilea philippii'' A. Adams, 1855. 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=567722 on 2012-11-23[Herbert D.G. (1992). Revision of the Umboniinae (Mollusca: Prosobranchia: Trochidae) in southern Africa and Mozambique. Annals of the Natal Museum 33(2):379-459.]
Description
The rather solid, umbilical shell has an orbiculate-conoidal shape. and is radially painted in brown. The convex
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 transversally crossed by cinguli of equal size and minutely crenulate. They are ornate with longitudinally striated interstices. The margin of the
umbilicus
Umbilicus may refer to:
*The navel or belly button
*Umbilicus (mollusc), a feature of gastropod, Nautilus and Ammonite shell anatomy
*Umbilicus (plant), ''Umbilicus'' (plant), a genus of over ninety species of perennial flowering plants
*Umbilicus ...
has a spiral form with radial grooves. The
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 ...
is sinuous in the middle
Distribution
This marine species occurs off
China
China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...
.
References
External links
World Register of Marine Species{{Taxonbar, from=Q6900269
philippii
Gastropods described in 1855