Graptolithina
Species

Tetragraptus cor (Strandmark, 1902)

Synonymy list
1902     Pseudophyllograptus cor v. sp. — Strandmark , pp. 554-555
1984     Pseudophyllogrnptus cor (Strandmark) 1902 — Cooper & Lindholm, , pp. 284 , fig. Fig. 3A-B, E-G
Selection of related publications
Maletz, J., Ahlberg, P. 2021. Dapingian to lower Darriwilian (Middle Ordovician) graptolite biostratigraphy and correlation of the Krapperup drill core, Scania, Sweden. GFF 143, 1, 16-39. DOI:10.1080/11035897.2020.1822439
Mitchell, C. E., Maletz, J. 1995. Proposal for adoption of the base of the Undulograptus austrodentatus Biozone as a global Ordovician stage and series boundary level. Lethaia 28, 4, 317-331. DOI:10.1111/j.1502-3931.1995.tb01822.x