|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Strophomenata - Productida - Strophalosiidae
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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.
|J. B. Waterhouse 1966||Small Multispinula with large umbonal cicatrice and numerous moderately strong ventral spines, of which some are adpressed and others erect, anterior margin irregularly plicate. Dorsal spines fine.|