Fagesia is a small, subglobular ammonite (suborder Ammonitina) belonging to the vascoceratid family of the Acanthocerataceae that lived during the Turonian stage of the Late Cretaceous, 92–88 Ma ago.

Fagesia
Temporal range: Turonian
92–88 Ma
Fossil of Fagesia spheroidalis from Japan. Late Cretaceous. Exhibit in the National Museum of Nature and Science, Tokyo, Japan
Scientific classification
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Fagesia

Species

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The shell of Fagesia is about 9.5 cm (3.47 in) in diameter, typically with blunt umbilical tubercles from which spring 2 or three ribs each, but which are lost in the late growth stage. The suture is ammonitic with long spikey lobes and saddles with rounded subelements.

Species

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Distribution

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Fossils of Fagesia have been found in Brazil, Colombia (El Colegio, Cundinamarca, La Frontera (Cundinamarca, Huila and Boyacá),[1] and Loma Gorda Formations, Aipe, Huila),[2] Egypt, France, Mexico, Morocco, Nigeria, Oman, Romania, the Russian Federation, Tunisia, United States (Arizona, California, Colorado, New Mexico, Texas), and Venezuela.[3]

References

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  1. ^ Blanco et al., 2004, p.26
  2. ^ Patarroyo, 2011
  3. ^ Fagesia at Fossilworks.org

Bibliography

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  • Blanco, Johana Paola; Medina, Paula Andrea; Patarroyo, Pedro (2004), "La Formación La Frontera, Sección Vereda Tóriba: Una propuesta para la designación del Lectoestratotipo" (PDF), Geología Colombiana, 29: 23–40, retrieved 2017-04-04 Archived 2017-04-05 at the Wayback Machine
  • Patarroyo, Pedro (2011), "Sucesión de Amonitas del Cretácico Superior (Cenomaniano-Coniaciano) de la parte más alta de la Formación Hondita y de la Formación Loma Gorda en la Quebrada Bambucá, Aipe - Huila (Colombia)" (PDF), Boletín de Geología, Universidad Nacional de Colombia, 33: 69–92, retrieved 2017-04-04

Further reading

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  • Arkell, W.J.; Kummel, B.; Wright, C.W. (1957). Mesozoic Ammonoidea. Treatise on Invertebrate Paleontology, Part L, Mollusca 4. Lawrence, Kansas: Geological Society of America and University of Kansas Press.