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Palaeoechioceras
Taxonomy
Palaeoechioceras was named by Spath (1929).
It was synonymized subjectively with Echioceras by Bremer (1965).
It was assigned to Echioceratidae by Geczy and Meister (2007) and Howarth (2013).
It was synonymized subjectively with Echioceras by Bremer (1965).
It was assigned to Echioceratidae by Geczy and Meister (2007) and Howarth (2013).
Species
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1927 | Protechioceras Trueman and Williams |
| 1929 | Palaeoechioceras Spath |
| 1956 | Hypechioceras Spath |
| 2007 | Palaeoechioceras Geczy and Meister |
| 2013 | Palaeoechioceras Howarth p. 29 |
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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. †Palaeoechioceras Spath 1929
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†Palaeoechioceras spirale Trueman and Williams 1927
†Palaeoechioceras suemegensis Geczy and Meister 2007
Invalid names: Hypechioceras Spath 1956 [synonym], Protechioceras Trueman and Williams 1927 [replaced]
Diagnosis
No diagnoses are available