|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Gastropoda - Architaenioglossa - Ampullinidae
It was recombined as Amaurellina clarki by Gardner and Bowles (1934); it was recombined as Pachycrommium clarki by Marincovich (1977), Squires (1984), Squires (1987), Squires (1988) and Perrilliat et al. (2006).
|Year||Name and author|
|1927||Amaurellina (Euspirocrommium) clarki Stewart pp. 336-338 figs. pl. 26, figs. 8, 9|
|1934||Amaurellina clarki Gardner and Bowles p. 246|
|1938||Amaurellina (Euspirocrommium) clarki Turner p. 86|
|1977||Pachycrommium clarki Marincovich p. 238|
|1984||Pachycrommium clarki Squires p. 24 figs. Figure 7e|
|1987||Pachycrommium clarki Squires p. 36 fig. 44|
|1988||Pachycrommium clarki Squires p. 12 fig. 25|
|2006||Pachycrommium clarki Perrilliat et al. p. 159|
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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.