Species

Holmograptus callotheca (Bulman, 1936)

Synonyymit
1932     Didymograptus callotheca — Bulman , pp. 16
Luokittelu
Organism groupBiota
KingdomAnimalia
PhylumHemichordata
ClassPterobranchia
SubclassGraptolithina
SuborderSinograptina
OrderSinograptidae
GenusHolmograptus
Speciescallotheca
lentus
spinosus