A new species of Anheteromeyenia (Porifera, Demospongiae) with an emended diagnosis of the genus Author Calheira, Ludimila Author Pinheiro, Ulisses text Zootaxa 2018 2018-02-07 4378 1 129 136 journal article 30812 10.11646/zootaxa.4378.1.9 fbc5073c-f6bc-41f4-aacd-3f5c8cdb16c8 1175-5326 1168138 FC3B9A82-9753-4E0A-83EF-88DEF560A6D1 Key to species of Anheteromeyenia Schröder, 1927 1. Megascleres in a single category.......................................................................... 2 - Megascleres in two categories...................................................................... A. vitrea 2. Gemmuloscleres pseudobirotules......................................................................... 3 - Gemmuloscleres acanthoxeas and acanthostrongyles......................................... A. diamantina sp. nov. 3. Megascleres acanthoxeas gradually pointed..................................................... A. cheguevarai - Megascleres acanthoxeas abruptly pointed........................................................... A. ornata