Biology:Marrolithus
From HandWiki
Marrolithus is an extinct genus of trinucleid trilobite that lived during the Ordovician period.[1]
Palaeobiology
Ontogeny
During the meraspid period of ontogeny, the glabella of Marrolithus bureaui became compressed. During this ontogenetic stage, the species also developed a pronounced sub-quadrangular cephalic outline. The alae disappeared later on in development.[2]
References
- ↑ "Marrolithus". https://paleobiodb.org/classic/basicTaxonInfo?taxon_no=txn:20049.
- ↑ Delabroye, Aurelien; Cronier, Catherine (July 2008). "Ontogeny of an Ordovician Trinucleid (Trilobita) from Armorica, France: A Morphometric Approach" (in en). Journal of Paleontology 82 (4): 800–810. doi:10.1666/07-084.1. ISSN 0022-3360. https://www.cambridge.org/core/journals/journal-of-paleontology/article/abs/ontogeny-of-an-ordovician-trinucleid-trilobita-from-armorica-france-a-morphometric-approach/824F03F939225B258E9EAB78C3C0D608. Retrieved 11 June 2026.
Wikidata ☰ Q140198328 entry
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