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Ectoconus
Taxonomy
Ectoconus was named by Cope (1884). It is not extant. Its type is Periptychus ditrigonus.
It was synonymized subjectively with Conoryctes by Cope (1885).
It was assigned to Periptychidae by Cope (1884), Cope (1888), Osborn and Earle (1895), Matthew (1937), Chow et al. (1977) and Carroll (1988); and to Periptychinae by Hay (1902), Archibald (1998) and Eberle (2003).
It was synonymized subjectively with Conoryctes by Cope (1885).
It was assigned to Periptychidae by Cope (1884), Cope (1888), Osborn and Earle (1895), Matthew (1937), Chow et al. (1977) and Carroll (1988); and to Periptychinae by Hay (1902), Archibald (1998) and Eberle (2003).
Species lacking formal opinion data
Synonymy list
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. †Ectoconus Cope 1884
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†Ectoconus cavigellii Eberle and Lillegraven 1998
†Ectoconus symbolus Gazin 1941
Diagnosis
No diagnoses are available