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Microparia (Heterocyclopyge)
Taxonomy
Heterocyclopyge was named by Marek (1961) [Sepkoski's age data: O Llde-u O Ashg-m Sepkoski's reference number: 795,1075]. It is not extant. Its type is Cyclopyge pachycephala.
It was synonymized subjectively with Selenoptychus by Jell and Adrain (2002); it was reranked as Microparia (Heterocyclopyge) by Owen and Bruton (2012).
It was assigned to Asaphida by Sepkoski (2002); and to Microparia by Owen and Bruton (2012).
It was synonymized subjectively with Selenoptychus by Jell and Adrain (2002); it was reranked as Microparia (Heterocyclopyge) by Owen and Bruton (2012).
It was assigned to Asaphida by Sepkoski (2002); and to Microparia by Owen and Bruton (2012).
Subtaxa
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1961 | Heterocyclopyge Marek |
| 2002 | Heterocyclopyge Sepkoski |
| 2012 | Microparia (Heterocyclopyge) Owen and Bruton p. 979 |
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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. †Microparia (Heterocyclopyge) Marek 1961
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†Heterocyclopyge pachycephala Hawle and Corda 1847
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Invalid names: Selenoptychus rotundatus Hawle and Corda 1847 [synonym]
†Microparia (Heterocyclopyge) insolens Schuchert and Cooper 1930
†Microparia (Heterocyclopyge) kindlei Schuchert and Cooper 1930
Diagnosis
No diagnoses are available