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Perispyridium hippaense
Taxonomy
Protoperispyridium hippaensis was named by Carter et al. (1988). It is not extant. Its type locality is GSC loc. C-080588, Graham Island, which is in a Bajocian offshore siltstone in the Graham Island Formation of Canada.
It was recombined as Perispyridium hippaense by Gorican et al. (2006) and Carter et al. (2010).
It was recombined as Perispyridium hippaense by Gorican et al. (2006) and Carter et al. (2010).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1988 | Protoperispyridium hippaensis Carter et al. p. 59 figs. pl. 6, figs. 1-2. |
| 2006 | Perispyridium hippaense Gorican et al. p. 314 |
| 2010 | Perispyridium hippaense Carter 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.
†Perispyridium hippaense Carter et al. 1988
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Kiessling 1999 | |||||
Age range: base of the Early/Lower Toarcian to the top of the Early/Lower Bajocian or 183.00000 to 168.40000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Toarcian | Japan | Perispyridium hippaense (124830) | |
| Middle Toarcian | Canada (British Columbia) | Protoperispyridium hippaensis (71084) | |
| Middle Toarcian - Late/Upper Toarcian | Canada (British Columbia) | Protoperispyridium hippaensis (71099) | |
| Early/Lower Bajocian | Canada (British Columbia) | Protoperispyridium hippaensis (type locality: 71117 71119 71123 71125) |