Graptolithina
Species

Tetragraptus askerensis Monsen, 1937

Synonymy list
1937     Telragraptus bigsbyi (J. Hall) var. askerensis n. var — Monsen , pp. 172 , fig. 4.15,16; 5:35; 13:5,6;19:4.6.9
Selection of related publications
Maletz, J. 2005. Early Middle Ordovician graptolite biostratigraphy of the Lovisefred and Albjära drill cores (Scania, southern Sweden). Palaeontology 48, 4, 763-780. DOI:10.1111/j.1475-4983.2005.00482.x
References based on distribution