British Jurassic Regular Echinoids Part 2, Carinacea

Abstract

ABSTRACT Part 2 completes the description of the regular echinoids of the British Jurassic. Members of the orders Phymosomatoida, Salenioida, Stomopneustoida and Arbacioida are covered, with 25 genera and 44 species described in detail and one further species left in open nomenclature. Three new genera are erected (Cunidentechinus, Wrightechinus and Pseudomilnia) and two new species (Stomechinus phillipsii and Trochotiara aalensis). The stratigraphical distribution of the entire fauna of Jurassic regular echinoids is summarized.