_____________________________________________________________________________________ Graptolite Net edited by Piotr Mierzejewski, the Count of Calmont and Countess Maja Anna Korwin-Kossakowska 2004 |
Graptolite Net | Graptolites & Graptoliters | Evolution of Graptolites | Cephalodiscoidea | Rhabdopleuroidea |
Helicotubulus, a replacement name for Helicosyrinx Kozłowski, 1967 (? Phoronoidea) preoccupied by Helicosyrinx Baur, 1864 (Mollusca, Gastropoda) |
Piotr Mierzejewski and Cyprian Kulicki Acta Palaeontologica Polonica 2003, 48 (3), 446 |