• Thumbnail for Rhipidistia
    Rhipidistia, also known as Dipnotetrapodomorpha, is a clade of lobe-finned fishes which includes the tetrapods and lungfishes. Rhipidistia formerly referred...
    7 KB (500 words) - 11:23, 14 February 2024
  • Thumbnail for Lungfish
    Dipnomorpha, the sister group to the Tetrapodomorpha. Together, these form the Rhipidistia, the sister group to the coelacanths. Recent molecular genetic analyses...
    39 KB (3,346 words) - 02:11, 7 April 2024
  • Thumbnail for Chordate
    Actinistia (coelacanths) Rhipidistia...
    51 KB (4,719 words) - 06:08, 14 April 2024
  • Thumbnail for Fish
    Actinistia  (2 species: coelacanths) Rhipidistia...
    101 KB (10,032 words) - 03:01, 24 April 2024
  • Thumbnail for Sarcopterygii
    evolutionary paths, leading to their classification into two subclasses: the Rhipidistia (comprising the Dipnoi, or lungfish, and the Tetrapodomorpha, which includes...
    36 KB (2,569 words) - 09:52, 22 April 2024
  • Thumbnail for Gnathostomata
    †Ptyctolepis †Styloichthys Actinistia see Actinistia includes coelacanths Rhipidistia...
    29 KB (1,984 words) - 12:20, 25 March 2024
  • that were the ancestors of the tetrapod are grouped together as the Rhipidistia, and the first tetrapods evolved from these fish over the relatively...
    119 KB (6,252 words) - 16:38, 25 April 2024
  • Thumbnail for Actinopterygii
    Actinistia Coelacanths Rhipidistia...
    47 KB (3,632 words) - 10:14, 10 April 2024
  • 23 pairs of lymph hearts. Lymph hearts are thought to have evolved in Rhipidistia. Mammals have lost the lymph heart as a centralized organ, instead having...
    6 KB (736 words) - 08:36, 27 August 2023
  • sarcopterygians (lobe-finned fish). One lineage of sarcopterygians, Rhipidistia, evolved the first four-limbed vertebrates, which would eventually become...
    59 KB (6,061 words) - 10:45, 19 April 2024