Species
Baltocrinus antiquus (Eichwald, 1860)
Type specimen data
neotype: PIN ; 4125/1054:; Valim outcrop, Volkhov River; Darriwilian , Veltsa Formation
Reference:
Rozhnov, S. V., Terentyev, S. S. 2025. New Data on the Genus Baltocrinus (Crinoidea, Iocrinidae) from the Ordovician of Leningrad Region. pp. 519-528. DOI:10.1134/S0031030125600660
Synonymy list
1860 Pentacrinus antiquus m. — Eichwald , pp. 577, fig. 31:25
1861 Pentacrinus antiquus m. — Eichwald , pp. 157, fig. 10:26
1964 Cyclopentagonalis balticus — Yeltyschewa , pp. 76, fig. 3:25, 26
1966 Cyclopentagonalis serratus — Yeltyschewa , pp. 64-65, fig. 2:1-4
1966 Pentagonopedalis antiquus (Eichwald) — Yeltyschewa , pp. 57-58, fig. 2:23-26
1979 Baltocrinus antiquus (Eichwald, 1861) — Stukalina , pp. 92
1988 Baltocrinus antiquus (Eichwald, 1860) — Stukalina , fig. 6:4-7
2000 Baltocrinus antiquus (Eichwald, 1860) — Stukalina , fig. 4:9-12
2014 Baltocrinus (col.) antiquus (Eichwald, 1860) — Donovan et al. , pp. 97, fig. 1,2
2025 Baltocrinus antiquus (Eichwald, 1860) — Rozhnov & Terentiev , pp. 521, fig. 2, 3, 4, 5
Selection of related publications
Rozhnov, S. V., Terentyev, S. S. 2025. New Data on the Genus Baltocrinus (Crinoidea, Iocrinidae) from the Ordovician of Leningrad Region. Paleontological Journal 59, 5, 519-528. DOI:10.1134/S0031030125600660
Stukalina, G. A. 1986. Zakonomernosti istoričeskogo razvitiâ krinoidej v rannem i srednem paleozoe SSSR. pp. 1-144. Nauka.
Yeltyscheva, R. S. 1966. Stebli ordovikskih morskih lilij Pribaltiki (srednij ordovik). Voprosy paleontologii V, 53-70. Izdatel'stvo Leningradskogo Universiteta.
Eichwald, E. 1861. Paleontologiâ Rossii. Drevnij period. II. Fauna grauvakkovoj, gornoizvestkovoj i medistoslancevatoj formacij Rossii. pp. 1-521. R. Golike (former Ya. Ionsona).
Eichwald, E. 1860. Lethaea Rossica ou Paléontologie de la Russie. Premier volume. Ancienne Période en deux sections. pp. XIX+1–1657. E. Schweizerbart. DOI:10.5962/bhl.title.52391
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Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Echinodermata |
| Subphylum | Pelmatozoa |
| Class | Crinoidea |
| Superclass | Pentacrinoidea |
| Infraclass | Inadunata |
| Parvclass | Disparida |
| Order | Myelodactylida |
| Family | Iocrinidae |
| Genus | Baltocrinus |
| Species | antiquus |
| balticus (col) | |
| decorus (col) | |
| hrevicaensis (col) | |
| lobatus (col) | |
| quttaeformis (col) | |
| rostovensis (col) | |
| semenovi | |
| serratus (col) |
References based on distribution
- Eichwald, 1860a Pulkovo, Leningrad District Kunda Stage
- Yeltyscheva, 1966
- Yeltyscheva, 1966 Aluvere quarry
- Yeltyscheva, 1966 Harku
- Yeltyscheva, 1966 Sõjamägi
- Yeltyscheva, 1966 Tammiku quarry, Ida-Virumaa
- Eichwald, 1861a Pulkovo, Leningrad District
- Eichwald, 1861a Tallinn
- Eichwald, 1861a Rakvere
- Eichwald, 1861a Erra