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Charactoceras triangulum
Taxonomy
Charactoceras triangulum was named by Frye (1982). Its type specimen is PIU D732, a shell, and it is a cast. Its type locality is Kallholn, Siljan District, which is in a Katian reef, buildup or bioherm lime mudstone in the Boda Limestone Formation of Sweden.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1982 | Charactoceras triangulum Frye p. 1285 figs. 6d; figs. 4, 7 Pl. 3 |
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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.
†Charactoceras triangulum Frye 1982
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: Katian or 452.80000 to 445.20000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Katian | Sweden (Dalarna) | Charactoceras triangulum (type locality: 89486 124939) | |
| Katian - Hirnantian | Sweden (Dalarne) | Charactoceras triangulum (73413) |