|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Cephalopoda - Nautilida - Domatoceratidae
It was recombined as Stearoceras sanandreasense by Miller and Youngquist (1949); it was recombined as Parapenascoceras sanandreasense by Ruzhentsev and Shimanskiy (1954).
|Year||Name and author|
|1933||Titanoceras sanandreasense Miller et al. p. 204 figs. Pl 13, fig 7; pl 17, figs 1,2|
|1942||Titanoceras sanandreasense Clifton p. 696|
|1942||Titanoceras sanandreasense Miller and Unklesbay p. 733 fig. 1D,3B,4|
|1949||Stearoceras sanandreasense Miller and Youngquist|
|1954||Parapenascoceras sanandreasense Ruzhentsev and Shimanskiy p. 93|
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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.