Nomenclatural act

Plant Fossil Names Registry Number: PFN000173
Act LSID: urn:lsid:plantfossilnames.org:act:173
Umkomasia franconica sp. nov.
Kirchner, M. & Müller, A. (1992): Umkomasia franconica n. sp. und Pteruchus septentrionalis n. sp., Fruktifikationen von Thinnfeldia Ettingshausen. – Palaeontographica, Abt. B 224(1–3): 63–73 + 4 pls.