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Ligiscus smithi
Taxonomy
Ligiscus smithi was named by Adrain et al. (1995). Its type specimen is USNM 476680 (cranidium and thoracic segment) and is a 3D body fossil. Its type locality is Taylor Mountains, which is in a Llandovery marine limestone in Alaska.
Synonymy list
| Year | Name and author |
|---|---|
| 1995 | Ligiscus smithi Adrain et al. |
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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.
†Ligiscus smithi Adrain et al. 1995
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Whittington et al. 1997, Aberhan et al. 2004, Hendy et al. 2009 | |||||
Age range: Llandovery or 443.10000 to 432.90000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Llandovery | USA (Alaska) | Ligiscus smithi (type locality: 99507) |