Graptolithina
Species

Janograptus laxatus Tullberg, 1880

Synonymy list
1880     Janograptus laxatus — Tullberg , pp. 315 , fig. Tafl. 11, figs. 3–9
1913     Janograptus laxatus Tullberg — Hadding , pp. 35 , fig. pl. 1, figs. 19–22
1937     Janograptus laxatus Tullberg — Ekström , pp. 31 , fig. pl. 6, figs. 7–8
2017     “Janograptus laxatus” Tullberg, 1880 — Chen, X. et al. , pp. 121 , fig. Figs. 6-11H; 6-12B, F–H, K–M
Classification
Organism groupBiota
KingdomAnimalia
PhylumHemichordata
ClassPterobranchia
SubclassGraptolithina
OrderGraptoloidea
SuborderDichograptina
FamilyDidymograptidae
GenusJanograptus
Specieslaxatus