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Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Cardium crassum was named by Gmelin (1791). It is extant.
It was recombined as Laevicardium crassum by Poppe and Goto (1993).
It was recombined as Laevicardium crassum by Poppe and Goto (1993).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
Year | Name and author |
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1791 | Cardium crassum Gmelin |
1797 | Cardium norvegicum Spengler |
1993 | Laevicardium crassum Poppe and Goto p. 96 |
2000 | Laevicardium norvegicum Callapez and Ferreira Soares p. 315 |
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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.
Laevicardium crassum Gmelin 1791
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Invalid names: Laevicardium norvegicum Spengler 1797 [synonym]
Diagnosis
No diagnoses are available