Protrachyceras

Protrachyceras is a genus of ceratitid ammonoid cephalopods belonging to the family Trachyceratidae.

Species

 * Protrachyceras costulatum Mansuy 1912
 * Protrachyceras deprati Mansuy 1912
 * Protrachyceras reitzi Boeckh 1875
 * Protrachyceras sikanianum McLearn 1930
 * Protrachyceras springeri Smith 1914
 * Protrachyceras storrsi Smith 1927 was rearranged to Sirenites storrsi (SMITH ) by Tozer 1968

Fossil record
Fossils of Protrachyceras are found in marine strata from the Triassic (age range: from 242.0 to 221.5 million years ago.). Fossils are known from many localities in Afghanistan, Canada, China, India, Italy, Japan, Romania, the Russian Federation, Slovenia, Spain, Switzerland, Thailand and United States.