†Trinitoceras Flower 1976

Flower 1976. Part 1. - new American Wutinoceratidae with review of actinoceroid occurrences in eastern hemisphere and part 2. - some Whiterock and Chazy endoceroids. Memoirs New Mex St Bur Mines miner Resour, No. 28 1976: i-iv.5-76