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Family Raninidae - frog crabs
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Order |
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Class |
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Malacostraca |
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No. of Genera in Ref. |
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No. of Species in Ref. |
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46 |
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Environment |
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Fresh : No |
Brackish : No |
Marine : Yes |
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Aquarium |
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First Fossil Record |
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Ref.. De Grave, S., N. Dean Pentcheff, S.T. Ahyong, T.-Y. Chan, K.A. Crandall, P.C. Dworschak, D.L. Felder, R.M. Feldmann, C.H.J.M. Fransen, L.Y.D. Goulding, R. Lemaitre, M.E.Y. Low, J.W. Martin, P.K.L. Ng, C.E. Schweitzer and S.H. … Tan 2009 | ||
Remark |
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Includes the Symethidae (furry lobsters) from Ref. 4 as a subfamily (Symethinae). Also known as spanner crabs. Carapace longitudinally ovate; dorsal surface strongly granulose or squamose to smooth; from triangular, narrow. Third maxillipeds very narrow, merus distinctly triangular. Eyestalks long, longer than front. Fingers of chela strongly bent; at least 1 pair of legs with last 2 or 3 segments paddle-like. Thoracic sternum very narrow, especially sternites 5 to 7. All male abdominal segments distinct, movable (Ref. 343). |
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Etymology |
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Division |
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Marine |
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Reproductive guild |
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Typical activity level |
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Main Ref. |
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Coordinator |
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