Species

Heisograptus difficilis Tsegelnjuk, 1976

Synonymy list
1976     Heisograptus difficilis Tsegelnjuk, sp. nov. — Tsegelnjuk , pp. 104, fig. 30:3,4
Classification
Organism groupBiota
KingdomAnimalia
PhylumHemichordata
ClassPterobranchia
SubclassGraptolithina
OrderGraptoloidea
SuborderAxonophora
FamilyMonograptidae
GenusHeisograptus
Speciesdifficilis
micropoma