|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Lingulata - Lingulida - Lingulellotretidae
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.
|L. E. Holmer et al. 1997||Lingulellotretids with shell elongate oval to subtriangular, posteriorly acuminate; pseudointerareas of both valves with well-developed flexure lines; ventral pseudointer area orthocline; dorsal pseudointerarea with wide, concave median groove and short propareas; visceral areas of both valves not thickened; ventral visceral area extends to midvalve; dorsal visceral area with median tongue that extends somewhat anterior to midvalve.|