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Paraphyletic taxon:
Family †
Protorothyrididae
Price, 1937
(reptile)
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Entity:
Romeriida ([unranked])
..Diapsida (Clade)
..†Protorothyrididae (Family)
....†Hylonomus (Genus)
....†Paleothyris (Genus)
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Different spelling
:
†
Protothyridae
(Family)
Synonyms
Synonymous name
:
†
Romeriidae
(Family)
Price, 1937
Ref:
PBDB
: 27 Oct 2013.
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Last updated:
21 Sep 2025