Isocrinidae is one of four
extant
Extant or Least-concern species, least concern is the opposite of the word extinct. It may refer to:
* Extant hereditary titles
* Extant literature, surviving literature, such as ''Beowulf'', the oldest extant manuscript written in English
* Exta ...
families
Family (from ) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictability, structure, and safety as ...
of crinoids in the
order
Order, ORDER or Orders may refer to:
* A socio-political or established or existing order, e.g. World order, Ancien Regime, Pax Britannica
* Categorization, the process in which ideas and objects are recognized, differentiated, and understood
...
Isocrinida
Isocrinida is an order of sea lilies which contains four families.
Characteristics
Members of this order are characterised by having a "heteromorphic" stalk; the stalk consists of a series of nodes with cirri, interspersed by several nodes wit ...
.
[Messing, C. (2014)]
Isocrinidae Gislén, 1924
In: Messing, C. (2014) World List of Crinoidea. Accessed through: World Register of Marine Species
Classification
Family Isocrinidae
* Subfamily Isocrininae Gislén, 1924
** Genus ''
Chariocrinus'' Hess, 1972
** Genus ''
Hispidocrinus'' Simms, 1988
** Genus ''
Isocrinus''
von Meyer
Meyer is a German surname, often but not always used with the Nobiliary particle "von" (of). Notable people sharing this surname include:
* Christian Erich Hermann von Meyer (1801–1869), German palaeontologist, see m:de:Hermann von Meyer
* ...
in
Agassiz
Jean Louis Rodolphe Agassiz ( ; ) FRS (For) FRSE (May 28, 1807 – December 14, 1873) was a Swiss-born American biologist and geologist who is recognized as a scholar of Earth's natural history.
Spending his early life in Switzerland, he recei ...
, 1836
*** Subgenus ''Isocrinus (Chladocrinus)'' (Agassiz, 1836)
** Genus ''
Percevalicrinus''
Klikushin, 1977
** Genus ''
Raymondicrinus'' Klikushin, 1982
** Genus ''
Tyrolecrinus'' Klikushin, 1982
* Subfamily Metacrininae Klikushin, 1977
** Genus
Eometacrinus Baumiller & Gaździcki, 1996
** Genus ''
Metacrinus
''Metacrinus'' is a genus of stalked crinoids in the family Isocrinidae. Members of this genus live on hard surfaces in deeper parts of the ocean. The genus has extant species and is also represented in the fossil record. Members of the genus gr ...
''
P. H. Carpenter, 1884
** Genus ''
Saracrinus'' A. H. Clark, 1923
References
Isocrinida
Echinoderm families
Extant Triassic first appearances
{{Crinoidea-stub