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Echioceras
Taxonomy
Echioceras was named by Bayle (1878) [Sepkoski's age data: J Sine-u Sepkoski's reference number: 302]. It is not extant.
It was assigned to Arietitinae by Bremer (1965); to Ammonoidea by Sepkoski (2002); and to Echioceratidae by Blau (1998), Blau et al. (2000), Meister and Friebe (2003), Howarth (2013), Lukeneder and Lukeneder (2018).
It was assigned to Arietitinae by Bremer (1965); to Ammonoidea by Sepkoski (2002); and to Echioceratidae by Blau (1998), Blau et al. (2000), Meister and Friebe (2003), Howarth (2013), Lukeneder and Lukeneder (2018).
Species
E. carusense, E. delicatum, E. intermedium, E. microdiscus, E. natrix, E. quenstedti (syn. E. rhodanicum, E. aeneum, Pleurechioceras typicum), E. raricostatoides (syn. E. fulgidum, E. sparsicostatum), E. raricostatum (syn. E. crassicostatum, E. inflatum), Pleurechioceras deciduum (syn. Ammonites nodotianus)
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1867 | Ophioceras Hyatt |
| 1878 | Echioceras Bayle |
| 1925 | Pleurechioceras Trueman and Williams p. 706 |
| 1965 | Echioceras Bremer |
| 1998 | Echioceras Blau p. 205 |
| 2000 | Echioceras Blau et al. p. 261 |
| 2002 | Echiocheras Sepkoski |
| 2003 | Echioceras Meister and Friebe |
| 2013 | Echioceras Howarth p. 29 |
| 2018 | Echioceras Lukeneder and Lukeneder p. 102 |
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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. †Echioceras Bayle 1878
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†Echioceras carusense d'Orbigny 1844
†Echioceras delicatum Buckman 1914
†Echioceras intermedium Trueman and Williams 1925
†Echioceras microdiscus Quenstedt 1884
†Echioceras natrix von Schlotheim 1820
†Echioceras quenstedti Schafhautl 1847
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Invalid names: Echioceras aeneum Trueman and Williams 1925 [synonym], Echioceras rhodanicum Buckman 1914 [synonym], Pleurechioceras typicum Buckman 1927 [synonym]
†Echioceras raricostatoides Vadasz 1908
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Invalid names: Echioceras fulgidum Trueman and Williams 1925 [synonym], Echioceras sparsicostatum Trueman and Williams 1925 [synonym]
†Echioceras raricostatum Zieten 1831
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Invalid names: Echioceras crassicostatum Trueman and Williams 1925 [synonym], Echioceras inflatum Trueman and Williams 1925 [synonym]
Invalid names: Ophioceras Hyatt 1867 [replaced], Pleurechioceras Trueman and Williams 1925 [synonym]
Diagnosis
No diagnoses are available