Trochonema sp. from the middle Ordovician of the Galena Limestone of Minnesota
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
Order:
Murchisoniina
Superfamily:
Trochonematoidea
Family:
Trochonematidae
Genus:
Trochonema
Salter, 1859
Trochonema is an extinct genus of early marine snail from the Paleozoic, which lasted almost 215 million years.[1] It was first described by John William Salter in 1859.[2] Like many genera in the order Murchisoniina, the relationship between it and other large gastropod clades is uncertain.
^"Trochonematidae". Ordovician atlas of ancient life. 7 January 2014. Retrieved July 14, 2022.
^Billings, E.; Hall, James; Jones, T. Rupert; Salter, John William; Thompson, John Vaughan; Canada, Geological Survey of (1858). Figures and descriptions of Canadian organic remains. Montreal: Printed by J. Lovell.
Trochonema is an extinct genus of early marine snail from the Paleozoic, which lasted almost 215 million years. It was first described by John William...
Galena Group Stratigraphic range: Darriwilian-Sandbian Unidentified Trochonema from the Galena Group Type Group Sub-units Decorah Shale, Dunleith Formation...
Trochonematoidea Trochonema sp. from the middle Ordovician of the Galena formation of Minnesota Scientific classification Domain: Eukaryota Kingdom: Animalia...
†Tarthinia †Taxocrinus †Toernquistia †Trichopitys †Trichopitys whitei †Trochonema †Trochonema umbilicata Contents A B C D E F G H I J K L M N O P Q R S T U V...
viribus – type locality for species †Trocholites – tentative report †Trochonema †Trochonema liljevalli – type locality for species †Trochonemella – tentative...
†Trochomphalus †Trochomphalus dimidiatus †Trochonema †Trochonema retrorsum – or unidentified related form †Trochonema wartheni †Trochonemella †Trochonemella...