Ancyrochitina
Ancyrochitina is an extinct genus of chitinozoans. It was described by Alfred Eisenack in 1955.
Species
Ancyrochitina ancyrea Ancyrochitina ansarviensis Laufeld, 1974Ancyrochitina bifurcaspina Nestor, 1994Ancyrochitina bornholmensis Vandenbroucke & Nõlvak, 2013Ancyrochitina brevispinosa Eisenack, 1968Ancyrochitina clathrospinosa Eisenack, 1968Ancyrochitina convexa Nestor, 1980Ancyrochitina diabolus Ancyrochitina digitata Mullins et Aldridge, 2004Ancyrochitina fragilis Eisenack, 1955Ancyrochitina gogginensis Sutherland, 1994Ancyrochitina gutnica Laufeld, 1974Ancyrochitina laevaensis Nestor, 1980Ancyrochitina mullinsi Nestor, 2005Ancyrochitina paulaspina Nestor, 1994Ancyrochitina pedavis Laufeld, 1974Ancyrochitina plurispinosa Nestor, 1994Ancyrochitina porrectaspina Nestor, 1994Ancyrochitina primitiva Eisenack, 1964Ancyrochitina ramosaspina Nestor, 1994Ancyrochitina rumbaensis Nestor, 1994Ancyrochitina tomentosa Taugourdeau et de Jekhowsky, 1960Ancyrochitina vikiensis Nestor, 1994