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Tetrapyle
Taxonomy
Tetrapyle was named by Haeckel (1858) [Sepkoski's age data: T Mi-u R Sepkoski's reference number: 2]. It is extant.
It was assigned to Pyloniinae by De Wever et al. (2001); to Spumellaria by Sepkoski (2002); and to Pyloniidae by Sharma and Takahashi (2007).
It was assigned to Pyloniinae by De Wever et al. (2001); to Spumellaria by Sepkoski (2002); and to Pyloniidae by Sharma and Takahashi (2007).
Species
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1858 | Tetrapyle Haeckel |
| 1881 | Pylonium Haeckel |
| 2001 | Tetrapyle De Wever et al. p. 151 |
| 2002 | Tetrapyle Sepkoski |
| 2007 | Tetrapyle Sharma and Takahashi p. 822 |
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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.
G. Tetrapyle Haeckel 1858
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Tetrapyle octacantha Müller 1859
Invalid names: Pylonium Haeckel 1881 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Kiessling 1999 | |||||
Age range
Maximum range based only on fossils: base of the Middle Pleistocene to the top of the Late/Upper Pleistocene or 0.77400 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 0.129 Ma
Minimum age of oldest fossil (stem group age): 0.129 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Pleistocene | Japan | T. octacantha (233640 233708 233709 233710 233711 233712) | |
| Middle Pleistocene - Late/Upper Pleistocene | Japan | T. octacantha (233713) | |
| Late/Upper Pleistocene | Japan | T. octacanthus (233714) |