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Taxonomy
Gerarus vetus was named by Scudder (1885). Its type specimen is USNM 38136, an exoskeleton, and it is an impression. Its type locality is Mazon Creek, USNM Lacoe Collection, which is in a Westphalian D interdistributary bay mudstone in the Carbondale Formation of Illinois. It is the type species of Gerarus.
Synonymy list
Year | Name and author |
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1885 | Gerarus vetus Scudder p. 343 figs. Pl 31, fig 6 |
1906 | Gerarus vetus Handlirsch p. 147 figs. Pl XV fig 2 |
1922 | Gerarus vetus Handlirsch p. 74 |
1983 | Gerarus vetus Burnham p. 14 fig. 4,5 |
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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.
†Gerarus vetus Scudder 1885
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Diagnosis
No diagnoses are available