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Helicelasma randi
Taxonomy
Helicelasma randi was named by Elias (1981). Its type specimen is GSC 60735 and is a 3D body fossil. Its type locality is Red River Formation, Selkirk Member, Garson, corals, which is in a Maysvillian/Richmondian open shallow subtidal wackestone/packstone in the Red River Formation of Canada.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1981 | Helicelasma randi Elias p. 20 figs. pl. 8, fig. 1-18, pl. 9, fig. 1-11 |
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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.
†Helicelasma randi Elias 1981
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Maysvillian to the top of the Richmondian or 450.20000 to 445.50000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Ordovician | USA (Iowa, Illinois) | Helicelasma randi (28168 28169 28170) | |
| Maysvillian - Richmondian | Canada (Manitoba) | Helicelasma randi (type locality: 28019) |