|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Lingulata - Lingulida - Pseudolingulidae
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.
|R. C. Hussey 1952||Shells reach large size. Elongated oval, widest about the middle or slightly anterior to the middle. Sides gently, evenly convex. Anterior margin broadly rounded. Beak blunt. Median septum in the brachial valve narrow towards the beak, broadening and deepening towards the anterior end which extends beyond the mid-line of the shell. Moderately strong concentric lines on the surface and in the cast moderately strong radiating lines towards the front margin. Shell, where preserved, glossy brown.|