liik
Discoceras angulatum (Saemann, 1854)
Sünonüümika
1854 Lituites angulatus — Saemann , lk. 166-167, joon. 21:1a-b, nichtc-d
1877 Discoceras angulatum — Barrande
1884 Trocholites angulatus — Hyatt , lk. 267
1891 Lituites angulatus — Schröder , lk. 25-26
1894 Schroderoceras angulatum — Hyatt , lk. 460
1930 Schroderoceras angulatum (Saemann) — Teichert , lk. 276
1934 Schroderoceras angulatum (Saemann) — Strand , lk. 37, joon. 2:3; 4:4
1953 Schroderoceras angulatum (Saemann) 1853 — Balashov , lk. 263, joon. XIII 1, 2
1957 Discoceras angulatum — Mutvei , joon. 8; text fig. 12,
Klassifikatsioon
| organismirühm | Biota |
| riik | Animalia |
| hõimkond | Mollusca |
| klass | Cephalopoda |
| alamklass | Tarphyceratia |
| selts | Tarphyceratida |
| sugukond | Discoceratidae |
| perekond | Discoceras |
| liik | amtjaernense |
| angulatum | |
| antiquissimum | |
| arctuatum | |
| bandonis | |
| boreale | |
| costatum | |
| depressum | |
| fleischeri | |
| gubkovense | |
| ievense | |
| nilssoni | |
| paopense | |
| rarospira | |
| roemeri | |
| saemanni | |
| siljanense | |
| spongistriatum | |
| vasalemmense |