| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Testacelloidea
Taxonomy
Testacelloidea was named by Gray (1840). It is extant.
It was assigned to Helicina by Bouchet et al. (2017).
It was assigned to Helicina by Bouchet et al. (2017).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1840 | Testacelloidea Gray |
| 2017 | Testacelloidea Bouchet et al. p. 362 |
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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.
Superfm. Testacelloidea Gray 1840
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Fm. Testacellidae Gray 1840
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G. †Testacella Draparnaud 1801
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†Testacella schuetti Schlickum 1967
†Testacella zellii Klein 1853
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range
Maximum range based only on fossils: base of the Langhian to the top of the Calabrian or 15.98000 to 0.77400 Ma
Minimum age of oldest fossil (stem group age): 13.82 Ma
Minimum age of oldest fossil (stem group age): 13.82 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Langhian | Germany (Bavaria) | Testacella zellii (34615) | |
| MN 5 | Germany (Baden-Württemberg) | Testacella zellii (172951) | |
| MN 5 - MN 6 | Germany (Bayern) | Testacella schuetti (48471) | |
| MN 6 | Portugal (Santarém) | Testacella sp. (38137) | |
| MN 6 | Germany (Bayern) | Testacella sp. (45603) | |
| Sarmatian | Austria | Testacella schuetti (175587) | |
| Calabrian | Spain (Murcia) | Testacella haliotidea (34128) |