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Acrilla unilineata
Taxonomy
Scalaria unilineata was named by Heilprin (1880) [DISTRIBUTION: Late Eocene; Gulf Coastal Plain.]. Its type specimen is USNM 8920, a shell, and it is not a trace fossil.
It was recombined as Scala unilineata by Aldrich (1897); it was recombined as Acrilla unilineata by Harris and Palmer (1947), Palmer and Brann (1966) and Kosnik (2002).
It was recombined as Scala unilineata by Aldrich (1897); it was recombined as Acrilla unilineata by Harris and Palmer (1947), Palmer and Brann (1966) and Kosnik (2002).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1880 | Scalaria unilineata Heilprin p. 150 figs. fig. 5 |
| 1897 | Scala unilineata Aldrich p. 5 |
| 1947 | Acrilla unilineata Harris and Palmer p. 244 |
| 1966 | Acrilla unilineata Palmer and Brann p. 476 |
| 2002 | Acrilla unilineata Kosnik |
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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.
†Acrilla unilineata Heilprin 1880
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Diagnosis
No diagnoses are available