| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Lantus sixi
Original description: Test small, conical in shape, usually four to five post-abdominal chambers sparsely perforate, covered by layer of microgranular silica. Post-abdominal chambers having small polygonal pore frames. Pore frmaes increasing in size distally, irregular on apical portion tending to be aligned in a regular fashion on final one or two post-abdominal chamber. Final post-abdominal chamber closed by large, latticed, subellipsoidal cap.
Etymology: This species is named for Mr. Walter M. Six, Jr. for his help on this project.
| Year | Name and author |
|---|---|
| 1987 | Lantus sixi Yeh p. 91 figs. Pl. 4, fig. 16; Pl. 17, figs. 9, 13, 17, 24 |
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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.
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| Source: p = phylum | |||||
| Reference: Kiessling 1999 | |||||
Age range: base of the Late/Upper Pliensbachian to the top of the Early/Lower Toarcian or 192.90000 to 182.90000 Ma
Collections (17 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Pliensbachian | Canada (British Columbia) | Lantus sixi (119713 119714 119770 119771 119773 119774 119775 119811) | |
| Late/Upper Pliensbachian | USA (Oregon) | Lantus sixi (124323) | |
| Late/Upper Pliensbachian | Canada (British Columbia) | Lantus sixi (71080 119711 119776) | |
| Early/Lower Toarcian | USA (Oregon) | Lantus sixi (type locality: 124328 124331 124334) | |
| Early/Lower Toarcian | Japan | Lantus sixi (51710 124830) |