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Porachistrum
Taxonomy
Achistrum (Porachistrum) was named by Beckmann (1965). It is not extant. It is considered to be a form taxon.
It was considered an invalid subgroup of Achistrum by Gilliland (1992); it was reranked as Porachistrum by Sepkoski (2002).
It was assigned to Achistrum by Beckmann (1965); and to Apodida by Sepkoski (2002).
It was considered an invalid subgroup of Achistrum by Gilliland (1992); it was reranked as Porachistrum by Sepkoski (2002).
It was assigned to Achistrum by Beckmann (1965); and to Apodida by Sepkoski (2002).
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. †Porachistrum Beckmann 1965
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum | |||||
| References: Arkadiev and Bugrova 1999, Aberhan 1992, Aberhan et al. 2004 | |||||
Collections
No collection or age range data are available