Definition of Protacrocrinus. Meaning of Protacrocrinus. Synonyms of Protacrocrinus

- Pradocrinus Praedicticrinus Prohexacrinus Prokopicrinus Promelocrinus Protacrocrinus Pterotocrinus Pycnocrinus Pyxidocrinus Sampsonocrinus Schizocrinus Scyphocrinites...
- Prokopicrinus Prolobocrinus Promelocrinus Prophyllocrinus Propoteriocrinus Protacrocrinus Protaxocrinus Protencrinus Psalidocrinus Pseudoantedon Pseudosaccocoma...
- †Prophyllacanthus †Prophyllocrinus †Propoteriocrinus †Proraster †Prosostoma †Protacrocrinus †Protarthraster †Protaster †Protaxocrinus †Protenaster †Protencrinus...
- greenockensis – or unidentified related form †Prospira legrandensis †Protacrocrinus †Protatrypa †Protaxocrinus †Protoleptostrophia †Protoleptostrophia fragilis...