Mortoniceras Explained

Mortoniceras is an ammonoid genus belonging to the superfamily Acanthocerataceae, named by Meek in 1876, based on Ammonites vespertinu, named by Morton in 1834.

Mortoniceras is the type genus of the Mortoniceratinae, one of 4 subfamilies in the Brancoceratidae which is part of the Acanthocerataceae (renamed Acanthoceratoidea to conform with the ICZN ruling on superfamily endings)

Distribution

Mortoniceras is found in middle and upper Albian sediments, at the end of the Lower Cretaceous in Algeria, Angola, Armenia, Belgium, Canada (British Columbia), Colombia (Hiló Formation), Ecuador, France, Germany, Iran, Japan, Madagascar, Mexico, Mozambique, Myanmar,^[1] Nigeria, South Africa, Spain, Suriname, Switzerland, Ukraine, the United Kingdom, the United States (California, New Mexico, Texas, Oregon), and Venezuela.^[2]

Further reading

• Fossils (Smithsonian Handbooks) by David Ward
• Studies on Mexican Paleontology (Topics in Geobiology) by Francisco J. Vega, Torrey G. Nyborg, María del Carmen Perrilliat, and Marisol Montellano-Ballesteros

Notes and References

1. Cruickshank . R.D . Ko . Ko . February 2003 . Geology of an amber locality in the Hukawng Valley, Northern Myanmar . Journal of Asian Earth Sciences . en . 21 . 5 . 441–455 . 2003JAESc..21..441C . 10.1016/S1367-9120(02)00044-5.
2. http://www.fossilworks.org/cgi-bin/bridge.pl?a=collectionSearch&collection_no=67357 Mortoniceras