| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Exilithecida
Taxonomy
Exilithecida was named by Sysoyev (1968). It is not extant.
It was assigned to Orthothecimorpha by Sepkoski (2002).
It was assigned to Orthothecimorpha by Sepkoski (2002).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1968 | Exilithecida Sysoyev |
| 2002 | Exilithecida Sepkoski |
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, p = phylum | |||||
| References: Hendy et al. 2009, Aberhan et al. 2004 | |||||
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Placentian | USA (Massachusetts) | Sokolovitheca sokolovi (56834) | |
| Tommotian | Russian Federation (Krasnoyarsk Krai) | Obliquatheca bicostata (232906) | |
| Atdabanian - Lenian | Germany (Saxony) | Obliquatheca aldanica (6899) | |
| Lenian | Kyrgyzstan | Micatheca explicata (81268) |