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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 .
Raninidae; Raninoida is a taxonomic section of the crabs, containing a single superfamily, Raninoidea. This group of crabs is unlike most, ...
It may grow up to 15.0 centimetres (5.9 in) long, and may weigh up to 900 grams (2.0 lb). [7] The carapace is wider at the front, reddish brown in color, with ten white spots. [5]
Lyreidus tridentatus is a species of crab in the family Raninidae. [1] Description. This section does not cite any sources.
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 is a genus of crabs in the family Raninidae, containing the following species: [1] Lyreidus brevifrons Sakai, 1937; Lyreidus stenops Wood-Mason, 1887;
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.
Raninidae: Genus: Notopus de Haan, 1841 [1] Type species; Cancer dorsipes. Linnaeus, 1758. Species [1] See text Notopus is a genus of frog crabs from the family ...