Fagesia

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
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

See text

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

Distribution

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

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

Bibliography

Further reading

  • 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.


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