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Fragilaria tarahumara
Fragilaria tarahumara Beraldi-Camp., Cev.-Ferriz, Chacón-Baca Cretac. Res., 25(2): 260. Apr 2004
- Name
- Fragilaria tarahumara
- Rank
- Species
- Generic Name
- [Genus] Fragilaria
- 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
- 260
- Year
- 2004
- Fossil Status
- valves
- 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
- LPb2973 (142.5, 9.9)
Data for Paratypus
- Repository
- Universidad Nacional Autónoma de México, Instituto de Geología, México, México
- Repository Number
- Lpb3066, Lpb3078
- Diagnosis
- Fusiform frustules with a slightly wider area in the center of the long axis as seen in valvar view, and a rectangular shape in perivalvar view. They lack ornamentation and a raphe, and generally form filaments. Individual cells unite with neighbouring cells by means of cell wall projections that give the cells an H-shape in apical view.