Graptolithina

Pseudosteptograptus Loydel, 1991

Selection of related publications
Loydell, D. K., Maletz, J. 2004. The Silurian graptolite genera Streptograptus and Pseudostreptograptus. Journal of Systematic Palaeontology 2, 2, 65-93. DOI:10.1017/S1477201904001117
References based on distribution