Subfamily
Sphaerexochininae Öpik, 1937
Selection of related publications
Kielan-Jaworowska, Z., Bergström, J. Ahlberg, P. 1991. Cheirurina (trilobita) from the Upper Ordovician of Västergötland and other regions of Sweden. GFF 113, 2-3, 219-244. DOI:10.1080/11035899109453857
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.
Nieszkowski, J. 1857. Versuch einer Monographie der in den silurischen Schichten der Ostseeprovinzen vorkommenden Trilobiten. Archiv für die Naturkunde Liv-, Ehst- und Kurlands 1, 3, 517-626.
List of species
1. Pompeckia wegelini (Angelin, 1854) | Upper Ordovician
2. Pseudosphaerexochus (Pseudosphaerexochus) dubius Kielan-Jaworowska, Bergström et Ahlberg, 1991 | Upper Ordovician
3. Pseudosphaerexochus (Pseudosphaerexochus) laticeps (Linnarsson, 1866) | Upper Ordovician
5. Pseudosphaerexochus hemicranium (Kutorga, 1854) | Aseri Stage
6. Pseudosphaerexochus orvikui Männil, 1958 | Uhaku Stage
9. Sphaerexochus calvus McCoy, 1846 | Upper Ordovician
10. Sphaerexochus laciniatus Lindström, 1885 | Ludlow
11. Sphaerexochus latifrons Angelin, 1854 | Ludlow
12. Sphaerexochus scabridus Angelin, 1854 | Wenlock
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Klassificering
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Subphylum | Trilobita |
| Order | Phacopida |
| Suborder | Cheirurina |
| Family | Cheiruridae |
| Subfamily | Acanthoparyphinae |
| Cheirurinae | |
| Cyrtometopinae | |
| Deiphoninae | |
| Eccoptochilinae | |
| Sphaerexochininae | |
| Genus | Pompeckia |
| Pseudosphaerexochus | |
| Sphaerexochus | |
| Parapilekia |