Genus

Pseudosphaerexochus Schmidt, 1881

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. Pseudosphaerexochus (Pseudosphaerexochus) dubius Kielan-Jaworowska, Bergström et Ahlberg, 1991 | Upper Ordovician

2. Pseudosphaerexochus (Pseudosphaerexochus) laticeps (Linnarsson, 1866) | Upper Ordovician

3. Pseudosphaerexochus densigranulatus Nikolaisen, 1965

4. Pseudosphaerexochus hemicranium (Kutorga, 1854) | Aseri Stage

5. Pseudosphaerexochus orvikui Männil, 1958 | Uhaku Stage

6. Pseudosphaerexochus pahnschi Schmidt, 1881

7. Pseudosphaerexochus roemeri Schmidt 1881

Classification

Organism group	Biota
Kingdom	Animalia
Phylum	Arthropoda
Subphylum	Trilobita
Order	Phacopida
Suborder	Cheirurina
Family	Cheiruridae
Subfamily	Sphaerexochininae
Genus	Pompeckia
	Pseudosphaerexochus
Subgenus	(Pseudosphaerexochus)
Species	densigranulatus
	hemicranium
	orvikui
	pahnschi
	roemeri
Genus	Sphaerexochus