Species
Pseudosphaerexochus hemicranium (Kutorga, 1854)
Synonymy list
1854 Sphaerexochus hemicranium — Kutorga , pp. 112, fig. 1
1881 Cheirurus (pseudosphaerexochus) hemicranium Kut. — Schmidt , pp. 171, fig. X 1-4; XVI 22-27
1958 Pseudosphaerexochus hemicranium (Kutorga, 1854) — Männil Ralf , pp. 176, fig. III 2-5
Selection of related publications
Männil, Ralf 1958. Trilobites of the families Cheiruridae and Encrinuridae from Estonia. ENSV TA Geoloogia Instituudi Uurimused III, 165-212.
Schmidt, Fr. 1881. Revision der ostbaltischen silurischen Trilobiten nebst geognostischer Übersicht des ostbaltischen Silurgebiets. Abt. I. Phacopiden, Cheiruriden und Encrinuriden. Mémoires de l´Académie Impériale des Sciences de St.-Petersbourg 30, 1, 1-237.
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Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Subphylum | Trilobita |
| Order | Phacopida |
| Suborder | Cheirurina |
| Family | Cheiruridae |
| Subfamily | Sphaerexochininae |
| Genus | Pseudosphaerexochus |
| Subgenus | (Pseudosphaerexochus) |
| Species | densigranulatus |
| hemicranium | |
| orvikui | |
| pahnschi | |
| roemeri |
References based on distribution
- Schmidt, 1881a Pavlovsk, Leningrad Oblast
- Männil, Ralf, 1958b Narva Aseri Stage
- Männil, Ralf, 1958b Päite cliff Aseri Stage