| Urothoe | |
|---|---|
 | |
| Urothoe brevicornis | |
 | |
| Urothoe elegans | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Malacostraca |
| Superorder: | Peracarida |
| Order: | Amphipoda |
| Family: | Urothoidae |
| Genus: | Urothoe Dana, 1852 [1] |
| Type species | |
| Urothoe irrostratus Dana, 1852 | |
Urothoe is a genus of very small marine amphipod crustaceans in the family Urothoidae. Members of the genus are found worldwide.
Urothods are 5–8 millimetres (0.2–0.3 in) long and live on the sea bed or in shallow burrows in gravelly substrates or muddy sand. They can swim for short distances. They are vulnerable to dredging but are able to recover afterwards and re-establish their burrows. [2] They are deposit feeders [1] and also selectively scrape microorganisms from grains of sand. [3]
Urothoe reaches sexual maturity at five months and may live for about a year. The sexes are distinct and breeding takes place in the summer months. Fertilisation is internal and there are about fifteen eggs per brood, produced in a cycle of about fifteen days. Fecundity is high and the juveniles grow fast but biological dispersal is very limited. [2]
Urothoe contains the following species: [1]
Jassa is a genus of amphipods in the family Ischyroceridae, comprising the following species:
Dexaminidae is a family of amphipods. It contains the following genera:
Podoceridae is a family of amphipods. It contains eight genera:
Pardaliscidae is a family of amphipods, whose members typically inhabit the deepest parts of ocean basins. It contains the following genera:
Oedicerotidae is a family of amphipods. It comprises the following genera:
Lysianassidae is a family of marine amphipods, containing the following genera:
Paramoera is a genus of amphipods in the family Pontogeneiidae. It contains the following species:
Orchestia is a genus of amphipods in the family Talitridae. Species in Orchestia are parasitized by the Filozoan species Txikispora philomaios.
Bathyporeia is a genus of amphipods in the family Pontoporeiidae, containing the following species:
Leucothoe is a genus of amphipods in the family Leucothoidae. It contains the following species:
Talorchestia is a genus of amphipod of the family Talitridae, containing the following species:
Photis is a genus of amphipod crustaceans, containing the following species:
Amphilochus is a genus of crustaceans in the Amphipoda order, containing the following species:
Urothoe marina is a species of small marine amphipod crustaceans in the family Urothoidae. It is found on and burrowing in coarse sediments in shallow coastal waters off northwestern Europe.
Pontogeneiidae is a family of amphipod crustaceans, containing the following genera:
Nototropis is a genus of amphipod crustaceans, in the family, Atylidae, and was first described by Achille Costa in 1853.
Stegocephalidae is a little-studied family of amphipods belonging to the suborder Gammaridea.
Epimeria is a genus of amphipods in the family Epimeriidae. There are more than 80 described species in Epimeria.
Scopelocheiridae is a family of crustaceans belonging to the order Amphipoda. The family was first described in 1997 by Helen E. Stoddart and James K. Lowry. The type genus is ScopelocheirusBate, 1857.