蛙蟹科 | 水產百科網

蛙蟹科（學名：Raninidae）是螃蟹的其中一個科，模式屬是蛙形蟹。根據現存的化石紀錄，蛙蟹科生物最早期的化石於早白堊紀的阿爾布階出現。常見的蛙蟹科 ...

蛙蟹科（學名：Raninidae）是螃蟹的其中一個科，模式屬是蛙形蟹。

根據現存的化石紀錄，蛙蟹科生物最早期的化石於早白堊紀的阿爾布階出現[1]。

常見的蛙蟹科生物有：

型態描述[編輯]

蛙蟹科的外形獨特，就好像蛙類一樣，而且在科學家來說，蛙蟹科生物的外型亦比真蟹派物種的外型原始。其型態與異尾下目的蟬蟹總科物種非常相似，儘管兩種物種並沒有關連，而只是因為平行演化或趨同演化：這兩組物種的螯都已演化成為用於挖掘的工具，而牠們的身體也演變成圓圓的，易於埋在沙子中的。與大多數其他真蟹派物種不同的，是蛙蟹科物種的腹部並不捲曲到其頭胸部之下。

蛙蟹科有46個現生種及183個化石種，分佈於七個亞科34個屬之內[2]：

參考文獻[編輯] 外部連結[編輯]

蛙蟹科 | 水產百科網

蛙蟹科（學名：Raninidae）是螃蟹的其中一個科，模式屬是蛙形蟹。根據現存的化石紀錄，蛙蟹科生物最早期的化石於早白堊紀的阿爾布階出現。常見的蛙蟹科 ... Read More

Raninidae | 水產百科網

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 ... Read More

Family Raninidae | 水產百科網

Family Raninidae, 蛙蟹科. Chinese Name 中文名稱. Subfamily Ranininae, Ranina ranina, 蛙蟹亞科, 蛙蟹. Subfamily Lyreidinae, Lyreidus stenops, 琵琶蟹亞科 ... Read More

WoRMS | 水產百科網

Raninidae De Haan, 1839 [in De Haan, 1833-1850]. AphiaID. 106771 (urn:lsid:marinespecies.org:taxname:106771). Classification. Biota; Animalia (Kingdom) ... Read More

Raninidae | 水產百科網

Raninidae definition is - a family of atypical elongated crabs (tribe Brachyura) that have existed since at least Cretaceous time and comprise the frog crabs. Read More

Raninidae | 水產百科網

Raninidaefrog crabs ... ADW Pocket Guides on the iOS App Store! The Animal Diversity Web team is excited to announce ADW Pocket Guides! Read more... Search. Read More

Raninidae | 水產百科網

Raninidaefrog crabs. Facebook. Twitter. 1. spanner crab. Ranina ranina. ADW Pocket Guides on the iOS App Store! The Animal Diversity Web team is excited to ... Read More

Raninidae | 水產百科網

Definition. 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 ... Read More

Raninidae | 水產百科網

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 ... Read More

Raninidae – Wikipedia | 水產百科網

Die Raninidae sind eine Familie ursprünglicher Krabben (Brachyura). Anders als bei den meisten anderen Krabben ist das stark verkleinerte Abdomen nicht ... Read More

相關資訊整理