|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Rhynchonellata - Athyridida - Meristellidae
It was recombined as Cryptothyrella angustrifrons by Cocks and Toghill (1973); it was recombined as Hyattidina angustifrons by Temple (1987); it was recombined as Hyattidina augustifrons by Temple (1988); it was recombined as Hindella angustifrons by Cocks (2008).
|Year||Name and author|
|1851||Hemithyris angustrifrons Salter p. 171 figs. pl. 9, fig. 10a,b|
|1973||Cryptothyrella angustrifrons Cocks and Toghill p. 213|
|1987||Hyattidina angustifrons Temple p. 121 figs. pl. 15, figs 1-13|
|1988||Hyattidina augustifrons Temple|
|2008||Hindella angustifrons Cocks p. 98 figs. Pl. 12, fig. 14a-c|
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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.