|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Mammalia - Ungulata - Protoceratidae
It was assigned to Protoceratidae by Marsh (1891), Scott (1940) and Carroll (1988); and to Protoceratinae by Hay (1902), Matthew (1908), Webb (1981), Prothero (1998), Webb et al. (2003) and Prothero and Ludtke (2007).
|Year||Name and author|
|1891||Protoceras Marsh p. 82|
|1902||Protoceras Hay p. 673|
|1908||Protoceras Matthew p. 561|
|1940||Protoceras Scott p. 567 figs. Plates LX-LXII|
|1981||Protoceras Webb p. 363|
|1998||Protoceras Prothero p. 435|
|2003||Protoceras Webb et al. p. 362|
|2007||Protoceras Prothero and Ludtke p. 173|
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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.