Definition of Ptyctodontids. Meaning of Ptyctodontids. Synonyms of Ptyctodontids

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Definition of Ptyctodontids

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Meaning of Ptyctodontids from wikipedia

- ptyctodontids did not, that the armored plates and scales of holocephalians are made of dentine, and the armored plates and scales of ptyctodontids were...
- their skin, while ptyctodontids do not; the armoured plates and scales of holocephalians are made of dentine, while those of ptyctodontids are made of bone;...
- find confirmed the hypothesis that a sub-group of placoderms, called ptyctodontids, fertilized their eggs internally. Some fishes that fertilize their...
- Materpiscis (Latin for mother fish) is a genus of ptyctodontid placoderm from the Late Devonian located at the Gogo Formation of Western Australia. Known...
- in the light of new ptyctodontids from Gogo Western Australia. Linn. Soc. Symp. Series 4: 123-198. Long, J.A. 1997. Ptyctodontid fishes from the Late...
- Ptyctodus is an extinct armour-plated fish of the late Devonian. Ptyctodus belongs to the family Ptyctodontidae and is of the class Placodermi. They share...
- Materpiscis, a ptyctodontid placoderm fish that is the oldest vertebrate known to give live birth...
- Rhamphodopsis is a genus of extinct ptyctodont placoderm from the Middle Devonian Old Red Sandstone of Scotland. There are two species of Rhamphodopsis...
- 1977. Placoderm interrelationships reconsidered in the light of new ptyctodontids from Gogo, Western Australia. Linnean Society of London, Symposium Series...
- Holoptychius's pectoral fins were placed high on the body. Ptyctodontida The ptyctodontids (beak-teeth) are an extinct monotypic order of unarmored placoderms...