Subspecies
Echinoencrinites angulosus quadrata Jaekel, 1899
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Echinodermata |
| Subphylum | Blastozoa |
| Class | Rhombifera |
| Superfamily | Glyptocystitoida |
| Family | Echinoencrinitidae |
| Subfamily | Gonocrinites |
| Species | angulosus |
| Subspecies | Echinoencrinites angulosus compta |
| Echinoencrinites angulosus quadrata |