|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Gastropoda - Euomphalina - Ophiletidae
It was corrected as Eccyliomphalus by M'Coy (1851) and Ulrich and Scofield (1897); it was reranked as Euomphalus (Ecculiomphalus) by Hall (1876).
It was assigned to Gastropoda by M'Coy (1851); to Euomphalus by Hall (1876); to Ecculiomphalinae by Wenz (1938); to Euomphaloidea by Knight et al. (1960); to Euomphalidae by Ulrich and Scofield (1897) and Linsley and Kier (1984); to Euomphalina by Sepkoski (2002); and to Ophiletidae by Morris and Cleevely (1981), Wagner (1999) and Bouchet et al. (2005).
|Year||Name and author|
|1843||Ecculiomphalus Portlock p. 411|
|1876||Euomphalus (Ecculiomphalus) Hall p. 16|
|1897||Eccyliomphalus Ulrich and Scofield|
|1906||Cyrtendoceras priscum Ruedemann|
|1938||Ecculiomphalus Wenz p. 188|
|1943||Beekmanoceras priscum Ulrich et al.|
|1960||Ecculiomphalus Knight et al. p. 192|
|1981||Ecculiomphalus Morris and Cleevely|
|1984||Ecculiomphalus Linsley and Kier|
|1999||Ecculiomphalus Wagner p. 71|
|2002||Ecculiomphalus Sepkoski, Jr.|
|2005||Ecculiomphalus Bouchet et al. pp. 69, 242|
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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.