Species
Placosteus undulatus (Agassiz, 1844)
Synonymy list
1833 Placosteus undulatus — Agassiz , pp. XXXIII
1844 Psammostes undulatus (Agassiz) — Agassiz , pp. 106, fig. 31:11, 12
1860 Psammostes undulatus Agassiz — Eichwald , pp. 1517-1518(pars)
1891 Psammostes undulatus Agassiz — Woodward , pp. 128
1897 Psammosteus tesselatus n. sp. — Traquair , pp. 377, fig. Xi 1,2
1930 Psammosteus arenatus Agassiz — Gross , pp. 13
1933 Psammolepis undulata (Agassiz) — Gross , pp. 8-9, fig. 1:3, 6
1933 Psammolepis undulata Agass. — Gross , pp. 8-9, fig. I 3(?), 9
1942 Psammolepis undulata Agass. — Gross , pp. 410, fig. 2A
1958 Psammolepis timanica Obr: nomen nudum — Obruchev , pp. 48
Selection of related publications
Tuuling, T. 2015. A specimen of Psammolepis in the Gauja Formation (Estonia). bakalaureusetöö, pp. 1-31.
Mark-Kurik, E. 2000. The Middle Devonian fishes of the Baltic States (Estonia, Latvia) and Belarus. Courier Forschungsinstitut Senckenberg 223, 309-324.
Vorobyeva, E. I., Lyarskaya, L. A. 1968. Ostatki kisteperyh i dvoâkodyšaŝih iz amatskih sloev Latvii i ih zahoronenie. Essays on phylogeny and systematics of fossil fishes and agnathans, pp. 71-86. Nauka.
Obruchev, D. V., Mark-Kurik, E. J. (eds) 1965. Devonian psammosteids (Agnatha, Psammosteidae) of the USSR. pp. 1-304. Eesti NSV TA Geoloogia Instituut.
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Classification
Organism group | Biota |
Kingdom | Animalia |
Phylum | Chordata |
Subphylum | Vertebrata |
Superclass | Agnatha |
Class | Pteraspidomorphi |
Subclass | Heterostraci |
Order | Pteraspidiformes |
Suborder | Psammosteida |
Family | Psammosteidae |
Subfamily | Placosteinae |
Genus | Placosteus |
Species | alatus |
undulatus |
References based on distribution
- Mark-Kurik, 2000a Amata Stage
- Mark-Kurik, 2000a Gauja Stage
- Vorobyeva & Lyarskaya, 1968 Pasta muiža outcrop, Latvia Amata Stage