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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Laxtorum perfectum
Taxonomy
Laxtorum perfectum was named by Carter (1993). Its type locality is 87-CNA-KPA-17; 89-CNA-KPA-18 Kennecott Point, Graham Island, which is in a Rhaetian basinal (siliciclastic) limestone/siltstone in the Sandilands Formation of Canada.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1993 | Laxtorum perfectum Carter |
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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.
†Laxtorum perfectum Carter 1993
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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 Rhaetian to the top of the Early/Lower Hettangian or 208.50000 to 196.50000 Ma
Collections (19 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Rhaetian | Hungary | Laxtorum perfectum (87045) | |
| Rhaetian | Canada (British Columbia) | Laxtorum perfectum (94715 94716 type locality: 94717 94720 94758 94759 94760 94764 97480 97492) | |
| Rhaetian | Turkey | Laxtorum perfectum (130668 130670 130671 130672 130673 130674) | |
| Early/Lower Hettangian | Canada (British Columbia) | Laxtorum perfectum (97483 97489) |