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Lithostrobus
Taxonomy
Lithostrobus was named by Bütschli (1882) [Sepkoski's age data: P R]. It is extant. It was considered unknown by Bütschli (1882).
It was assigned to Theoperidae by Bütschli (1882); and to Nassellaria by Sepkoski (2002).
It was assigned to Theoperidae by Bütschli (1882); and to Nassellaria by Sepkoski (2002).
Species
Species lacking formal opinion data
Entered
by J. Sepkoski on 2003-01-23; modified by B. Allen on 2024-03-22
Synonyms
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Synonymy list
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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.
G. Lithostrobus Bütschli 1882
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Lithostrobus argus Ehrenberg 1874
Lithostrobus picus Ehrenberg 1874
†Lithostrobus rostovzevi Lipman 1960
Invalid names: Lithostrobus wendlandi Rüst 1892 [nomen dubium]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| O. Bütschli 1882 | In this group, I place some forms that are strongly related to the eucyrtids and were listed by Ehrenberg in the genus Eucyrtidium. They are characterized by many segments (up to nine segments observed), that present, moreover, progressively enlarging diameters, so that the shape of the shell is a narrow cone. The occurrence of a terminal narrowing of the apertural end of the shell is dubious. This is the case of Eucyrtidium argus Ehrenberg, from the first to the fourth or fifth segment |
Measurements
No measurements are available
No ecological data are available
Age range
Maximum range based only on fossils: base of the Santonian to the top of the Holocene or 85.70000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 83.6 Ma
Minimum age of oldest fossil (stem group age): 83.6 Ma
Collections (35 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Coniacian - Early/Lower Santonian | Russian Federation (Moskovskaya Oblast) | L. elegans (95980) | |
| Late/Upper Santonian | Austria | L. sp. (74490) | |
| Santonian | Russian Federation (Vladimir) | L. rostovzevi (95994) | |
| Santonian | Russian Federation (Tambov) | L. rostovzevi (95160) | |
| Late/Upper Santonian - Early/Lower Campanian | Russian Federation (Moskovskaya Oblast) | L. rostovzevi (95981) | |
| Santonian - Early/Lower Campanian | Russian Federation (Tambov) | L. rostovzevi (95159) | |
| Early/Lower Campanian | Japan (Hokkaido) | L. sp. (95789) | |
| Late/Upper Maastrichtian | Japan (Hokkaido) | L. sp. (95792) | |
| Danian | New Zealand (Marlborough) | L. wero (95860 95867 95868 95872 95875 95877 95878 95879 95880 95881 95882 95883 95894 95896 95897 95900 95901 95902 95903 95904 95905 95906 95907) | |
| NN21 | North Pacific | L. hexagonalis (266882 266883 266884) | |
| Holocene | Southern Ocean | L. cuspidatus (250721) |