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Raninidae is a family of unusual crabs, sometimes known as "frog crabs", on account of their frog-like appearance. They are taken by most scientists to be quite primitive among the true crabs. They closely resemble the (unrelated) mole crabs, due to parallel evolution or convergent evolution. In both groups, the claws are modified into tools ...
Ranina is a genus of crabs belonging to the family Raninidae. It has two extant species. Fossils of these crabs have been found in the sediments of United States, Mexico, Spain, Italy, Turkey and Australia from the Paleogene period to Recent (age range: 48.6 to 0.0 Ma). [1]
Lyreidus tridentatus is a species of crab in the family Raninidae. [1] Description. This section does not cite any sources.
True frogs is the common name for the frog family Ranidae. They have the widest distribution of any frog family. They are abundant throughout most of the world, occurring on all continents except Antarctica. The true frogs are present in North America, northern South America, Europe, Africa (including Madagascar), and Asia.
Lyreidus is a genus of crabs in the family Raninidae, containing the following species: [1] Lyreidus brevifrons Sakai, 1937; Lyreidus stenops Wood-Mason, 1887;
The species is commercially exploited over much of its range, but the largest fishery is in Australia, where the annual commercial catch an estimated at 3,592 tonnes (7,919,000 lb).
Notopus is a genus of frog crabs from the family Raninidae, [1] it consists of a single extant species and two extinct species. [2] Species.
Eumorphocorystes is a genus of crab belonging to the Raninidae subfamily Notopodinae. Fossils of the genus have been found in the Late Cretaceous (Maastrichtian) Maastricht Formation of the Netherlands. Rathbun referred specimens from the Oligocene Stepovak Formation of Alaska to this genus. [1]