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Romeriscus, the Oldest Known Reptile | Science
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Romeriscus, the Oldest Known Reptile

Donald Baird and Robert L. CarrollAuthors Info & Affiliations
Science
7 Jul 1967
Vol 157, Issue 3784
pp. 56-59
DOI: 10.1126/science.157.3784.56
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Abstract

The description of Romeriscus, a new genus of limnoscelid reptile, is based on a partial skeleton from the Early Pennsylvanian (Westphalian A) of Nova Scotia. Although it is the earliest and most primitive reptile yet known, it is probably already too late and too specialized to be ancestral to the more advanced Carboniferous and Permian captorhinomorphs and pelycosaurs.

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