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Definition of Diapsid
1. Noun. Reptile having a pair of openings in the skull behind each eye.
Generic synonyms: Reptile, Reptilian
Specialized synonyms: Sphenodon Punctatum, Tuatara, Saurian, Archosaur, Archosaurian, Archosaurian Reptile, Crocodilian, Crocodilian Reptile, Ophidian, Serpent, Snake
Antonyms: Anapsid
Definition of Diapsid
1. Noun. (zoology) Any of very many reptiles, of the subclass ''Diapsida'', that have a pair of openings in the skull behind each eye ¹
¹ Source: wiktionary.com
Definition of Diapsid
1. a reptile with two pairs of temporal openings in the skull [n -S]
Lexicographical Neighbors of Diapsid
Literary usage of Diapsid
Below you will find example usage of this term as found in modern and/or classical literature:
1. Contributions by Walker Museum of Paleontology, University of Chicago (1917)
"... the step to the diapsid type is trivial. If I am correct, and I am confident
that I am, we then have the origin of the double-arched reptiles in early ..."
2. Science by American Association for the Advancement of Science (1917)
"... so too the mammalian heritage of bats and cetacea, the primate heritage of
man, the avian habitus and diapsid heritage of pterosaurs, the struthious ..."
3. Annals of the New York Academy of Sciences by New York Academy of Sciences (1916)
"... and birds were divergent derivatives of small "diapsid'' reptiles most nearly
allied ..."
4. Bulletin of the American Museum of Natural History by American Museum of Natural History (1921)
"... for this element in the Tertiary and Mesozoic crocodilians and to trace, if
possible, its history back through a primitive diapsid stem to the ancestral ..."
5. The Order Microsauria by Robert Lynn Carroll, Pamela Gaskill (1978)
"... Earliest Known diapsid Reptile." Ph.D. Thesis, McGill University, Dept.
of Biology. RICHARDSON, ES 1956. "Pennsylvanian Invertebrates of the Mazon Creek ..."
6. Bulletin by Geological Society of America (1919)
"... a very interesting reptile, that threw light on the origin of the diapsid
types, namely, of reptiles with two arches at the side of the temporal region ..."
7. Proceedings by Zoological Society of London (1904)
"L. cp 24. • L. cp 22, pi. i. tig. 6. t L. cp 78, fig. C. "IT "The Reptilian
Subclasses diapsid» and Synapsida and the Early History of tin1 ..."
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