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Genus is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nomenclature, the genus name forms the first part of the binomial species name for each species within the genus.
Murex is a genus of medium to large sized predatory tropical sea snails. These are carnivorous marine gastropod molluscs in the family Muricidae, commonly called "murexes" or "rock snails".
Tube-dwelling anemones or ceriantharians look very similar to sea anemones but belong to an entirely different subclass of anthozoans. They are solitary, living buried in soft sediments. Tube anemones live inside and can withdraw into tubes, which are composed of a fibrous material made from secreted mucus and threads of nematocyst-like organelles known as ptychocysts. Within the tubes of these ceriantharians, more than one polyp is present, which is an exceptional trait because species that create tube systems usually contain only one polyp per tube. Ceriantharians were formerly classified in the taxon Ceriantipatharia along with the black corals but have since been moved to their own subclass, Ceriantharia.
The Valvatida are an order of starfish in the class Asteroidea, which contains 695 species in 172 genera in 17 families.
Boonea is a small genus of small sea snails, pyramidellid gastropod mollusks.
Merica is a genus of sea snails, marine gastropod mollusks in the family Cancellariidae, the nutmeg snails.
Turris is a genus of sea snails, marine gastropod mollusks in the family Turridae, the turrids.
Oenopota is a genus of sea snails, marine gastropod mollusks in the family Mangeliidae.
Euthria is a genus of sea snails, marine gastropod mollusks in the family Buccinidae, the true whelks.
Dolicholatirus is a genus of sea snails, marine gastropod mollusks in the subfamily Peristerniinae of the family Fasciolariidae, the spindle snails, the tulip snails and their allies.
Vaceuchelus is a genus of sea snails, marine gastropod molluscs in the family Chilodontaidae.
Pteropurpura is a genus of sea snails, marine gastropod mollusks in the subfamily Ocenebrinae of the family Muricidae, the murex snails or rock snails.
Enaeta is a genus of sea snails, marine gastropod mollusks in the family Volutidae.
Agaronia is a genus of sea snails, marine gastropod mollusks in the family Olividae.
Ceratoxancus is a genus of sea snails, marine gastropod mollusks in the family Costellariidae.
Tenagodus is a genus of sea snails, marine gastropod mollusks in the family Siliquariidae.
Tectarius is a genus of sea snails, marine gastropod mollusks in the family Littorinidae, the winkles or periwinkles.
Gumina dolichostoma is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.
Gumina minor is a species of sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.
Yoldia is a genus of saltwater clams, marine bivalve mollusks in the family Yoldiidae. It was named after Alfonso de Aguirre y Yoldi, Conde de Yoldi (1764–1852), a Spanish nobleman in charge of the royal naturalistic collection of Denmark.
References
- 1 2 Rosenberg, G. (2012). Gumina. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=599081 on 2012-06-10
- ↑ Spencer H.G., Willan R.C., Marshall B.A. & Murray T.J. (2011) Checklist of the Recent Mollusca Recorded from the New Zealand Exclusive Economic Zone