Pestarella
Encyclopedia
Pestarella is a genus
of thalassinidea
n crustacean
erected in 2003 from former members of the genus Callianassa
. It is distinguished from Callianassa by the rounded, rather than squarish telson
, and by the absence of the first two pleopods in males. The genus contains the following species:
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 thalassinidea
Thalassinidea
Thalassinidea is an infraorder of decapod crustaceans that live in burrows in muddy bottoms of the world's oceans. In Australian English, the littoral thalassinidean Trypaea australiensis is referred to as the yabby , frequently used as bait for estuarine fishing; elsewhere, however, they are...
n crustacean
Crustacean
Crustaceans form a very large group of arthropods, usually treated as a subphylum, which includes such familiar animals as crabs, lobsters, crayfish, shrimp, krill and barnacles. The 50,000 described species range in size from Stygotantulus stocki at , to the Japanese spider crab with a leg span...
erected in 2003 from former members of the genus Callianassa
Callianassa (genus)
Callianassa is a genus of mud shrimps, in the family Callianassidae. Three of the species in this genus Callianassa is a genus of mud shrimps, in the family Callianassidae. Three of the species in this genus Callianassa is a genus of mud shrimps, in the family Callianassidae. Three of the species...
. It is distinguished from Callianassa by the rounded, rather than squarish telson
Telson
The telson is the last division of the body of a crustacean. It is not considered a true segment because it does not arise in the embryo from teloblast areas as do real segments. It never carries any appendages, but a forked "tail" called the caudal furca is often present. Together with the...
, and by the absence of the first two pleopods in males. The genus contains the following species:
- Pestarella candida (Olivi, 1792)
- Pestarella convexa (de Saint Laurent & Le Loeuff, 1979)
- Pestarella rotundicaudata (Stebbing, 1902)
- Pestarella tyrrhenaPestarella tyrrhenaPestarella tyrrhena is a species of thalassinidean crustacean which grows to a length of . It lives in burrows in shallow sandy parts of the sea-bed in the Mediterranean Sea and northern Atlantic Ocean...
(Petagna, 1792) - Pestarella whitei (Sakai, 1999)