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Leiostegium (Perischodory)
Taxonomy
Perischodory was named by Raymond (1937) [Sepkoski's age data: O Trem-u]. It is not extant.
It was reranked as Leiostegium (Perischodory) by Berg and Ross (1959); it was reranked as Lloydia (Perischodory) by Lochman (1965).
It was assigned to Leiostegium by Berg and Ross (1959); to Lloydia by Lochman (1965); and to Corynexochida by Sepkoski (2002).
It was reranked as Leiostegium (Perischodory) by Berg and Ross (1959); it was reranked as Lloydia (Perischodory) by Lochman (1965).
It was assigned to Leiostegium by Berg and Ross (1959); to Lloydia by Lochman (1965); and to Corynexochida by Sepkoski (2002).
Subtaxa
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.
Subg. †Leiostegium (Perischodory) Raymond 1937
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†Perischodory incompertum Berg and Ross 1959
Diagnosis
No diagnoses are available