thumb|Monograptus sp. from the Wenlock of Vailhan, Hérault, France. 12 cm block. Graptolites preserved in three dimensions.
thumb|Monograptus sp. from the Wenlock of Vailhan, Hérault, France. 12 cm block. Graptolites preserved in three dimensions.
Monograptus is a genus of graptolites in the order Graptoloidea. This particular genus is the last stage of the graptoloid evolution before its extinction in the early Devonian. A characteristic of the genus includes one uniserial stipes with very elaborate thecae. This particular genus contains a large number of graptolite species and may not be monophyletic.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).