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Parapetalolithus
Taxonomy
Parapetalolithus was named by Koren' and Rickards (1996) [Sepkoski's age data: S Ldov-m S Ldov-u Sepkoski's reference number: 1267]. It is not extant.
It was assigned to Graptoloidea by Sepkoski (2002); and to Petalolithinae by Melchin et al. (2011).
It was assigned to Graptoloidea by Sepkoski (2002); and to Petalolithinae by Melchin et al. (2011).
Synonymy list
| Year | Name and author |
|---|---|
| 1996 | Parapetalolithus Koren' and Rickards |
| 2002 | Parapetalolithis Sepkoski |
| 2011 | Parapetalolithus Melchin et al. pp. 299 - 300 |
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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. †Parapetalolithus Koren' and Rickards 1996
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. J. Melchin et al. 2011 | Pattern I species with rhabdosomes that bear straight, V-shaped first thecal pair, straight, moderately inclined orthograptid thecae, nema free or obverse and embedded, and unbranched virgella (slightly modified from Melchin 1998). |
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Aberhan 1992, Aberhan et al. 2004 | |||||
Collections
No collection or age range data are available