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Olcostephanus (Olcostephanus) densicostatus
Taxonomy
Astieria atherstoni densicostatus was named by Wegner (1909).
It was recombined as Olcostephanus (Olcostephanus) densicostatus by Reboulet (1996).
It was recombined as Olcostephanus (Olcostephanus) densicostatus by Reboulet (1996).
Sister species lacking formal opinion data
O. astieri, O. carpathicus, O. copiapoensis, O. curacoensis, 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 |
|---|---|
| 1909 | Astieria atherstoni densicostatus Wegner |
| 1996 | Olcostephanus (Olcostephanus) densicostatus Reboulet p. 153 figs. Pl 29, figs 3-5; pl 30, figs 1-9; pl 32, figs 1-5 |
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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) densicostatus Wegner 1909
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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 2003, Kiessling 2004 | |||||
Age range: base of the Early/Lower Valanginian to the top of the Hauterivian or 137.05000 to 125.77000 Ma
Collections (63 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Valanginian | Chile (Copiapó) | Olcostephanus densicostatus (223020) | |
| Late/Upper Valanginian | France (Rhône-Alpes) | Olcostephanus densicostatus (104753) | |
| Late/Upper Valanginian | Hungary | Olcostephanus densicostatus (86377 86378 86379 86380 86381 86382 86383 86384) | |
| Late/Upper Valanginian | Austria | Olcostephanus densicostatus (55585 69120) | |
| Late/Upper Valanginian | Chile (Copiapó) | Olcostephanus densicostatus (223057) | |
| Late/Upper Valanginian | Tunisia | Olcostephanus densicostatus (205370 205371 205372 205373) | |
| Late/Upper Valanginian | Poland (Gmina Tomaszów Mazowiecki) | Olcostephanus densicostatus (192525) | |
| Late/Upper Valanginian | Slovakia | Olcostephanus densicostatus (64711) | |
| Late/Upper Valanginian | France | Olcostephanus densicostatus (202546 202549 202550 202551 202552 202555 202556 202557 202558 202559 202560 202561 202562 202563 202564 202565 202566 202567 202568 202570 202571 202572 202573 202817 202819 202824 202825 202827 202851) | |
| Valanginian | Morocco (Agadir) | Olcostephanus densicostatus (37844 38251 38271) | |
| Valanginian | Morocco (Western High Atlas) | Olcostephanus densicostatus (2063) | |
| Early/Lower Hauterivian | France | Olcostephanus densicostatus (202582 202585 202590 202593 202603 202856 202857 202864 202866) | |
| Hauterivian | Morocco (Agadir) | Olcostephanus densicostatus (37868 37869) |