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Stylodictya
Taxonomy
Stylodictya was named by Ehrenberg (1847) [Sepkoski's age data: J l R]. It is extant. Its type is Stylodictya gracilis.
It was assigned to Spumellaria by Sepkoski (2002); and to Spongodiscidae by De Wever et al. (2001), Sharma and Takahashi (2007).
It was assigned to Spumellaria by Sepkoski (2002); and to Spongodiscidae by De Wever et al. (2001), Sharma and Takahashi (2007).
Species
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1847 | Stylodictya Ehrenberg |
| 1892 | Stylodictya zittelii Rüst |
| 2001 | Stylodictya De Wever et al. p. 160 |
| 2002 | Stylodictya Sepkoski |
| 2007 | Stylodictya Sharma and Takahashi p. 818 |
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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. Stylodictya Ehrenberg 1847
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†Stylodictya delicatula Lipman 1952
Stylodictya gracilis Ehrenberg 1854
†Stylodictya polaris Rüst 1892
Invalid names: Stylodictya zittelii Rüst 1892 [nomen dubium]
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 Late/Upper Oxfordian to the top of the Late/Upper Pleistocene or 157.90000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 154.8 Ma
Minimum age of oldest fossil (stem group age): 154.8 Ma
Collections (20 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Oxfordian | Switzerland | S. sp. A (47162) | |
| Berriasian | Oman | S. sp. A (47176) S. sp. B (47174) | |
| Late/Upper Hauterivian | Oman | S. titirez (125359) | |
| Late/Upper Coniacian | Germany (Bayern) | S. haeckeli (95842) | |
| Late/Upper Santonian | Germany (Bayern) | S. haeckeli (95841) | |
| Santonian | Russian Federation (Tambov) | S. delicatula (95160) | |
| Danian | New Zealand (Marlborough) | S. sexispinata (95902 95903 95904 95905 95906) S. sexispinata, S. sp. (95907) | |
| Selandian | New Zealand (Marlborough) | S. sexispinata (95909) | |
| Burdigalian - Langhian | Japan | S. sp. (236002) | |
| Middle Pleistocene | Japan | S. stellata (233710 233711 233712) | |
| Middle Pleistocene - Late/Upper Pleistocene | Japan | S. stellata (233713) | |
| Late/Upper Pleistocene | Japan | S. stellata (233714) |