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Geisonoceras
Taxonomy
Geisonoceras was named by Hyatt (1884).
It was assigned to Orthoceratidae by Strand (1934); to Orthocerida by Sepkoski (2002); and to Geisonoceratidae by Teichert et al. (1964), Miagkova (1967), Chen et al. (1981), Crick (1981) and Kröger (2013).
It was assigned to Orthoceratidae by Strand (1934); to Orthocerida by Sepkoski (2002); and to Geisonoceratidae by Teichert et al. (1964), Miagkova (1967), Chen et al. (1981), Crick (1981) and Kröger (2013).
Species
Species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1884 | Geisonoceras Hyatt p. 275 |
1934 | Geisonoceras Strand |
1964 | Geisonoceras Teichert et al. p. 236 |
1967 | Geisonoceras Miagkova |
1981 | Geisonoceras Chen et al. p. 30 |
1981 | Geisonoceras Crick p. 228 |
2002 | Geisonoceras Sepkoski |
2013 | Geisonoceras Kröger |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. †Geisonoceras Hyatt 1884
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†Geisonoceras heintzi Strand 1934
†Geisonoceras kureikense Zhuraleva 1964
†Geisonoceras maclareni Murchison 1859
†Geisonoceras shumardi Billings 1859
†Geisonoceras wegelini Teichert 1930
Diagnosis
No diagnoses are available