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Cromus
Taxonomy
Cromus was named by Barrande (1852) [Sepkoski's age data: S Ldov-u S Prid Sepkoski's reference number: 2].
It was reranked as Encrinurus (Cromus) by Churkin (1961).
It was assigned to Encrinurus by Churkin (1961); to Encrinurinae by Evitt and Tripp (1977); to Phacopida by Sepkoski (2002); and to Encrinuridae by Jell and Adrain (2002).
It was reranked as Encrinurus (Cromus) by Churkin (1961).
It was assigned to Encrinurus by Churkin (1961); to Encrinurinae by Evitt and Tripp (1977); to Phacopida by Sepkoski (2002); and to Encrinuridae by Jell and Adrain (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1852 | Cromus Barrande |
| 1961 | Encrinurus (Cromus) Churkin, Jr. p. 174 |
| 1977 | Cromus Evitt and Tripp p. 119 |
| 2002 | Cromus Jell and Adrain p. 361 |
| 2002 | Cromus Sepkoski |
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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.
G. †Cromus Barrande 1852
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†Cromus optimus Webby et al. 1970
†Encrinurus (Cromus) beaumonti Barrande 1852
Diagnosis
No diagnoses are available