Graptolithina
Species

Paratetragraptus approximatus (Nicholson, 1873)

Synonymy list
1873     Tetragraptus approximatus — Nicholson , pp. 136 , fig. 2
1904     Tetragraptus approximatus — Törnquist , pp. 6 , fig. 1:11-12
1920     Tetragraptus approximatus — Keble , pp. 195 , fig. 33:1a-c
2017     Paratetragraptus approximatus (Nicholson, 1873) — VandenBerg , pp. 43 , fig. F. 2-3
Selection of related publications
Egenhoff, S., Maletz, J. 2007. Graptolites as indicators of maximum flooding surfaces in monotonous deep-water self successions. Palaios 22, 4, 373-383. DOI:10.2110/palo.2005.p05-096r
Kaljo, D. 1974. On graptolite zones of Tremadoc and Arenig of Pribaltic and Moscow syneclises.Graptolites of the USSR , pp. 31-36. Nauka.
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Klassificering
Organism groupBiota
KingdomAnimalia
PhylumHemichordata
ClassPterobranchia
SubclassGraptolithina
OrderGraptoloidea
SuborderDichograptina
FamilyPhyllograptidae
GenusParatetragraptus
Speciesapproximatus
References based on distribution