Graptolithina
Species

Pseudisograptus angel Jenkins, 1982

Synonymy list
1875     Didymograptus gibberulus — Nicholson , pp. 271 , fig. 7:3b
1901     Didymograptus gibberulus Nicholson — Elles et Wood , pp. 52 , fig. 2:9d
1982     Pseudisograptus angel n. sp. — Jenkins , pp. 238 , fig. 4A-C, E; 16:4; 17:3
Selection of related publications
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
Classification
References based on distribution