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Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Rigbyellidae
Taxonomy
Rigbyellidae was named by Williams et al. (2000). Its type is Rigbyella.
It was assigned to Lyttonioidea by Williams et al. (2000).
It was assigned to Lyttonioidea by Williams et al. (2000).
Subtaxa
Paralyttonia, Rigbyella (type genus)
Synonymy list
Year | Name and author |
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2000 | Rigbyellidae Williams et al. p. 638 |
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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.
Fm. †Rigbyellidae Williams et al. 2000
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G. †Paralyttonia
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†Paralyttonia kesennumensis Tazawa and Araki 1984
†Paralyttonia tenax Grant 1976
†Paralyttonia transiens Wanner and Sievers 1935
G. †Rigbyella Stehli 1956
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†Rigbyella crassa Grant 1976
†Rigbyella girtyi Wanner and Sieverts 1935
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: subo = suborder, c = class, p = phylum | |||||
References: Aberhan et al. 2004, Williams et al. 2000 |
Age range: base of the Roadian to the top of the Capitanian or 272.30000 to 259.51000 Ma
Collections (24 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Roadian | Thailand (Trang) | Paralyttonia tenax (40873 40896 40897 40898) Rigbyella crassa (40870 40871 40872 40874 40878 40879) Rigbyella crassa, Paralyttonia tenax (40869 40899) | |
Roadian | Japan | Paralyttonia kesennumensis (118870) | |
Wordian | Japan | Paralyttonia kesennumensis (118869) | |
Wordian | USA (Texas) | Rigbyella girtyi (105896) | |
Wordian | Japan (Miyagi) | Paralyttonia kesennumensis (149789) | |
Capitanian | Malaysia (Pahang) | Paralyttonia sp. (42733) | |
Capitanian | USA (New Mexico) | Rigbyella girtyi (81629) | |
Capitanian | USA (Texas) | Leptodus americanus (108801) Rigbyella girtyi (81609 101798 101809 102618 105893) |