Trilobita

Xylabion helgoeyense (Nikolaisen, 1961)

Synonymy list
1961     Paraceraurus helgoeyensis sp. n. — Nikolaisen
1971     Xylabion helgoeyense — Lane
2004     Xylabion helgoeyense — Pärnaste, pp. 126
Selection of related publications
Nikolaisen, F. 1961. The Middle Ordovician of the Oslo Region, Norway: 7. Trilobites of the suborder Cheirurina. Norsk Geologisk Tidsskrift 41, 2-4, 279-310.
References based on distribution