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Tetraedron roldanii
Tetraedron roldanii Beraldi-Camp., Cev.-Ferriz, Chacón-Baca Cretac. Res., 25(2): 257. Apr 2004
- Name
- Tetraedron roldanii
- Rank
- Species
- Generic Name
- [Genus] Tetraedron
- Authors (Pub.)
- Beraldi-Campesi H.
Cevallos-Ferriz S. R. S.
Chacón-Baca E.
- Publication
- Microfossil algae associated with Cretaceous stromatolites in the Tarahumara Formation, Sonora, Mexico [2004/4]
- Journal
- Cretaceous Research
- Volume
- 25
- Issue
- 2
- Page number
- 257
- Year
- 2004
- Fossil Status
- vesicles
- Stratigraphy
- Campanian
- Strat. comment
- Tarahumara Formation
- Location
- Huepac Chert, Huepac, Sonora, Mexico
- Paleoregion
- America (North)
Data for Holotypus
- Repository
- Universidad Nacional Autónoma de México, Instituto de Geología, México, México
- Repository Number
- LPb2799 (148.9, 7.5)
Data for Paratypus
- Repository
- Universidad Nacional Autónoma de México, Instituto de Geología, México, México
- Repository Number
- Lpb2796, Lpb2797
- Diagnosis
- Solitary cells of pyramidal shape, with a wrinkled surface, 25e35 mm in diameter; four equidistant corners may have a terminal papilla; the distance between corners is approximately half that of the cell diameter.
