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Alabushevothyrididae
Taxonomy
Alabushevothyrididae was named by Smirnova (1994).
It was assigned to Clathrithyridoidea by Smirnova (1994); and to Loboidothyridoidea by Williams et al. (2006).
It was assigned to Clathrithyridoidea by Smirnova (1994); and to Loboidothyridoidea by Williams et al. (2006).
Subtaxa
Synonymy list
Year | Name and author |
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1994 | Alabushevothyrididae Smirnova p. 48 |
2006 | Alabushevothyrididae Williams et al. p. 2120 |
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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. †Alabushevothyrididae Smirnova 1994
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Diagnosis
Reference | Diagnosis | |
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T. N. Smirnova 1994 | Shell having very slightly convex valves, usually nonplicate, and smooth. Dental lamellae massive. Septalium absent. Cardinal processes sometimes developed. Brachidial loop triangular, with long flanges. |
Measurements
No measurements are available
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Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
References: Aberhan et al. 2004, Nesnidal et al. 2013 |
Age range: base of the Early/Lower Albian to the top of the Middle Albian or 112.03000 to 105.30000 Ma
Collections: one only
Time interval | Ma | Country or state | Original ID and collection number |
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Early/Lower Albian - Middle Albian | Russian Federation | Alabushevothyris angustus (47063) |