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Olcostephanus (Olcostephanus) sayni
Taxonomy
Holcostephanus sayni was named by Kilian (1895).
It was recombined as Olcostephanus (Olcostephanus) sayni by Reboulet (1996).
It was recombined as Olcostephanus (Olcostephanus) sayni by Reboulet (1996).
Sister species lacking formal opinion data
O. astieri, O. carpathicus, O. copiapoensis, O. curacoensis, O. densicostatus, O. drumensis, O. filosus, O. hispanicus, O. laticostata, O. nicklesi, O. psilostomus, O. sayni-subfilosus, O. stephanophorus, O. colorinensis, O. jeannoti, O. jeannoti, O. astieri, O. densistriatus, O. drumensis, O. andartae, O. boussingaultii
Synonymy list
| Year | Name and author |
|---|---|
| 1895 | Holcostephanus sayni Kilian |
| 1996 | Olcostephanus (Olcostephanus) sayni Reboulet p. 153 figs. Pl 31, figs 3,7,8 |
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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.
†Olcostephanus (Olcostephanus) sayni Kilian 1895
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: base of the Valanginian to the top of the Hauterivian or 137.05000 to 125.77000 Ma
Collections (19 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Valanginian | Morocco (Agadir) | Olcostephanus sayni (37977) | |
| Early/Lower Hauterivian | France | Olcostephanus sayni (202604 202607 202608 202613 202616 202619 202622 220949 220951 220958 220961 220962) | |
| Early/Lower Hauterivian | Spain (Comunidad Valenciana) | Olcostephanus sayni (169142) | |
| Hauterivian | Morocco (Agadir) | Olcostephanus sayni (37877 37878 38253) | |
| Hauterivian | France (Provence) | Olcostephanus sayni (56063 56774) |