Species
Cryptograptus schaeferi Lapworth, 1880
Synonymy list
1880 Cryptograptus tricornis var. schaeferi n. var. — Lapworth , fig. 5:28a,b
1913 Cryptograptus lanceolatus n. sp. — Hadding , pp. 40, fig. 2:10-12
1913 Cryptograptus tricornis (Carruthers) — Hadding , pp. 40, fig. 2:13-14
1937 Cryptograptus tricornis (Carruthers) — Ekström , pp. 39, fig. 9:1-5
1937 Cryptograptus tricornis var. longispinus nov. — Ekström , pp. 40, fig. 8:13
1937 Cryptograptus lanceolatus Hadding — Ekström , pp. 40, fig. 8:11-12
1967 Cryptograptus schaeferi Lapworth — Jaeger , fig. 1:9
1976 Cryptograptus tricornis var. schaeferi — Jaeger , fig. 1
1996 Cryptograptus schaeferi Lapworth — Maletz & Mitchell , pp. 646, fig. 2:3,4; 4:11-15; 5
1998 Cryptograptus schaeferi (Lapworth, 1880) — Maletz , pp. 362, fig. 7C
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Hemichordata |
| Class | Pterobranchia |
| Subclass | Graptolithina |
| Order | Graptoloidea |
| Suborder | Glossograptina |
| Family | Glossograptidae |
| Genus | Cryptograptus |
| Species | lanceolatus |
| schaeferi | |
| tricornis |