Sentences with crossopterygian
cros·sop·te·ryg·i·an
C c - One group of extinct crossopterygians, known as the rhipidistians, are the group thought by most to be the ones that successfully invaded land and gave rise to amphibians.
- ‘Amphibians’ were held to be descended from rhipidistian crossopterygians and the closest living relative of amphibians was coelacanths.
- The sarcopterygians include the lungfish, together with the crossopterygians, which are composed of coelacanths and the extinct rhipidistians.
- These similarities have prompted evolutionists to confidently declare that crossopterygians evolved into tetrapods.
- The coelacanths were a side group of crossopterygians who evolved along separate lines from the rhipidistians in the Devonian.
- After a light breakfast I studied a draft of a paper that we had just submitted on the new fossil crossopterygian fishes of the Aztec Siltstone.
- Large Bothriolepis plates were scattered around through the rocks with abundant crossopterygian bones and scales in the top units.
- Latimeria is a ‘living fossil,’ a single surviving species of the old lineage of crossopterygian fishes.