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Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Praeargyrothecidae
Taxonomy
Praeargyrothecidae was named by MacKinnon and Smirnova (1995). Its type is Praeargyrotheca.
It was assigned to Megathyridoidea by MacKinnon and Smirnova (1995) and Williams et al. (2006).
It was assigned to Megathyridoidea by MacKinnon and Smirnova (1995) and Williams et al. (2006).
Subtaxa
Synonymy list
Year | Name and author |
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1995 | Praeargyrothecidae MacKinnon and Smirnova p. 671 |
2006 | Praeargyrothecidae Williams et al. p. 2221 |
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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. †Praeargyrothecidae MacKinnon and Smirnova 1995
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G. †Krimargyrotheca MacKinnon and Smirnova 1995
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†Krimargyrotheca balkii MacKinnon and Smirnova 1995
†Krimargyrotheca concinna Smirnova 1972
G. †Praeargyrotheca
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†Praeargyrotheca hexaplicata Smirnova 1972
†Praeargyrotheca megatrema Sowerby 1836
†Praeargyrotheca quadricostata Nekvasilova 1985
Invalid names: Smirnovaena [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
References: Nesnidal et al. 2013, Aberhan et al. 2004 |
Age range: base of the Berriasian to the top of the Late/Upper Albian or 145.00000 to 99.60000 Ma
Collections (3 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Berriasian | Ukraine | Argyrotheca hexaplicata, Argyrotheca alta, Argyrotheca concinna, Krimargyrotheca balkii (65941) Praeargyrotheca hexaplicata, Evargyrotheca alta, Krimargyrotheca concinna (183270) | |
Late/Upper Albian | United Kingdom (England) | Argyrotheca megatrema (153918) |