Ancylus
Encyclopedia
Ancylus is a genus
of very small, freshwater, air-breathing limpets. They are aquatic
pulmonate gastropod mollusks in the tribe Ancylini within the family Planorbidae
, the ram's horn snails and their allies.
The genus is known from the Tertiary
to the recent periods.
Synonyms:
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...
of very small, freshwater, air-breathing limpets. They are aquatic
Aquatic animal
An aquatic animal is an animal, either vertebrate or invertebrate, which lives in water for most or all of its life. It may breathe air or extract its oxygen from that dissolved in water through specialised organs called gills, or directly through its skin. Natural environments and the animals that...
pulmonate gastropod mollusks in the tribe Ancylini within the family Planorbidae
Planorbidae
Planorbidae, common name the ramshorn snails or ram's horn snails, is a family of air-breathing freshwater snails, aquatic pulmonate gastropod mollusks....
, the ram's horn snails and their allies.
The genus is known from the Tertiary
Tertiary
The Tertiary is a deprecated term for a geologic period 65 million to 2.6 million years ago. The Tertiary covered the time span between the superseded Secondary period and the Quaternary...
to the recent periods.
Species
Species in the genus Ancylus include:- Ancylus aduncus A. A. Gould, 1847
- Ancylus ashangiensisAncylus ashangiensisAncylus ashangiensis is a species of very small, air-breathing, freshwater snail or limpet. It is an aquatic pulmonate gastropod in the Ancylidae family. This species is endemic to Ethiopia....
Brown, 1965 - Ancylus fluviatilisAncylus fluviatilisAncylus fluviatilis is a species of very small, freshwater, air-breathing limpet, an aquatic pulmonate gastropod mollusk in the tribe Ancylini within the family Planorbidae, the ram's horn snails and their allies.-Distribution and conservation status:...
MüllerOtto Friedrich MüllerOtto Friedrich Müller, also Mueller was a Danish naturalist.-Biography:Müller was born in Copenhagen. He was educated for the church, became tutor to a young nobleman, and after several years' travel with him settled in Copenhagen in 1767, and married a lady of wealth.His first important works,...
, 1774 - the type speciesType speciesIn biological nomenclature, a type species is both a concept and a practical system which is used in the classification and nomenclature of animals and plants. The value of a "type species" lies in the fact that it makes clear what is meant by a particular genus name. A type species is the species... - Ancylus lapicidus Hubendick, 1960
- Ancylus regularisAncylus regularisAncylus regularis is a species of very small, freshwater, air-breathing limpet, an aquatic pulmonate gastropod mollusk in the tribe Ancylini within the family Planorbidae, the ram's horn snails and their allies. This species is endemic to Ethiopia....
Brown, 1973 - Ancylus scalariformis Stankovic & Radoman, 1953
- Ancylus striatus Quoy & Gaimard, 1834
- Ancylus tapirulus Polinski, 1929
Synonyms:
- Ancylus gussonii O. G. Costa, 1829 is a synonym of Williamia gussonii (O. G. Costa, 1829)
Further reading
- 2000. Ancylidae (On-line), Animal Diversity Web. http://animaldiversity.ummz.umich.edu/site/accounts/information/Ancylidae.html