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Hesperocoelia
Taxonomy
Hesperocoelia was named by Bassler (1927) [Sepkoski's age data: O Llvi O Ashg-m]. Its type is Hesperocoelia typicalis.
It was assigned to Archaeoscyphidae by Bassler (1927); to Streptosolenidae by Johns (1994); and to Lithistida by Sepkoski (2002).
It was assigned to Archaeoscyphidae by Bassler (1927); to Streptosolenidae by Johns (1994); and to Lithistida by Sepkoski (2002).
Species
H. typicalis (type species), H. undulata
Synonymy list
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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. †Hesperocoelia Bassler 1927
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†Hesperocoelia typicalis Bassler 1927
†Hesperocoelia undulata Bassler 1927
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class | |||||
| References: Whittington et al. 1997, Kiessling 2004 | |||||
Age range: base of the to the top of the Whiterockian or 470.30000 to 457.30000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Rangerian | USA (Nevada) | H. typicalis, H. undulata (119435) | |
| Whiterockian | USA (California) | H. undulata (119486) |