Chirocephalidae
Encyclopedia
Chirocephalidae is a family of fairy shrimp
, characterised by a reduced or vestigial maxilla
, more than two seta
e on the fifth endite, divided pre-epipodites and widely separated seminal vesicle
s. It consists of the following eight genera
, including the genera formerly placed in the families Linderiellidae and Polyartemiidae:
Fairy shrimp
Anostraca is one of the four orders of crustaceans in the class Branchiopoda; its members are also known as fairy shrimp. They are usually long . Most species have 20 body segments, bearing 11 pairs of leaf-like phyllopodia , and the body lacks a carapace...
, characterised by a reduced or vestigial maxilla
Maxilla
The maxilla is a fusion of two bones along the palatal fissure that form the upper jaw. This is similar to the mandible , which is also a fusion of two halves at the mental symphysis. Sometimes The maxilla (plural: maxillae) is a fusion of two bones along the palatal fissure that form the upper...
, more than two seta
Seta
Seta is a biological term derived from the Latin word for "bristle". It refers to a number of different bristle- or hair-like structures on living organisms.-Animal setae:In zoology, most "setae" occur in invertebrates....
e on the fifth endite, divided pre-epipodites and widely separated seminal vesicle
Seminal vesicle
The seminal vesicles or vesicular glands are a pair of simple tubular glands posteroinferior to the urinary bladder of male mammals...
s. It consists of the following eight genera
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...
, including the genera formerly placed in the families Linderiellidae and Polyartemiidae:
- Artemiopsis G. O. Sars, 1897
- Branchinectella Daday de Dées, 1910
- ChirocephalusChirocephalusChirocephalus is a genus of fairy shrimp in the family Chirocephalidae. It contains the following species:*Chirocephalus appendicularis Vavra, 1905*Chirocephalus baikalensis *Chirocephalus bairdi...
Prévost, 1820 - DexteriaDexteriaDexteria floridana was a species of fairy shrimp in the family Chirocephalidae, the only species in the genus Dexteria. It is endemic to the United States. It was originally described by Ralph W. Dexter in 1953 as a species of Eubranchipus. The species was declared extinct on October 5, 2011....
Brtek, 1965 - Eubranchipus Verrill, 1870
- LinderiellaLinderiellaLinderiella is a genus of fairy shrimp, previously placed in its own family, Linderiellidae, but now usually considered part of the Chirocephalidae. It comprises five species – Linderiella occidentalis and L. santarosae from California, L. africana from the Atlas Mountains in Morocco, L....
Brtek, 1964 - Polyartemia Fischer, 1851
- Polyartemiella Daday de Dées, 1909