Palaeonisciformes


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Palaeonisciformes

[¦pāl·ē·ō‚nis·ə′fȯr·mēz]
(paleontology)
A large extinct order of chondrostean fishes including the earliest known and most primitive ray-finned forms.
References in periodicals archive ?
The fossils, as a rule, were preserved as scales and loose teeth of the Palaeonisciformes and Coelacanthimorpha, dispersed and fragmented among the matrix (Fig.
PRELIMINARY NOTICE OF A THIRD PALEONISCOID (ACTINOPTERYGII: PALAEONISCIFORMES), WITH A VERTICAL SUSPENSORIUM, FROM THE UPPER DEVONIAN (FAMENNIAN, IIf) CLEVELAND SHALE OF CUYAHOGA COUNTY, OHIO.
Examination of 524 Cleveland Museum of Natural History Vertebrate Paleontology Department paleoniscoid (Actinopterygii: Palaeonisciformes) specimens from the Upper Devonian (Famennian, IIf) Cleveland Shale of northern Ohio by longtime department volunteer Terry Martin has established at least one additional paleoniscoid genus in the Cleveland Shale vertebrate fauna.
When Gross (1968) established the new taxon Andreolepis hedei he found that most of the morphological, histological, and morphogenetical characteristics matched with those of Devonian Palaeonisciformes. He also found that some histological features of Andreolepis were reminiscent of the structure of the spines and scales of the Silurian acanthodian Nostolepis.