• 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) - 01:53, 8 July 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...
    40 KB (3,377 words) - 13:43, 25 September 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 (2,631 words) - 21:43, 20 August 2024
  • Thumbnail for Chordate
    Actinistia (coelacanths) Rhipidistia...
    55 KB (5,168 words) - 01:23, 21 September 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 (740 words) - 14:46, 24 August 2024
  • Thumbnail for Tristichopteridae
    who established it as the sole family of the order Rhipidistia. In turn, Cope deemed Rhipidistia and Actinistia as the two orders forming a superorder...
    10 KB (1,048 words) - 23:18, 10 August 2024
  • Thumbnail for Actinopterygii
    Actinistia Coelacanths Rhipidistia...
    48 KB (3,774 words) - 01:05, 21 September 2024
  • Thumbnail for Fish
    Actinistia  (2 species: coelacanths) Rhipidistia...
    102 KB (10,241 words) - 01:00, 21 September 2024
  • Thumbnail for Tetrapod
    Actinistia Coelacanthiformes (coelacanths) Rhipidistia...
    104 KB (10,592 words) - 16:33, 14 September 2024
  • sarcopterygians (lobe-finned fish). One lineage of sarcopterygians, Rhipidistia, evolved the first four-limbed vertebrates, which would eventually become...
    61 KB (6,170 words) - 08:22, 14 July 2024