Genus

Ptychopyge Angelin, 1854

https://files.geocollections.info/large/92/09/9209d369-d7b9-4e4d-bdcf-f0aa0899e023.jpg

https://files.geocollections.info/large/32/3e/323e87a9-e644-4b4a-92ee-3e354a6ff996.jpg

https://files.geocollections.info/large/da/5e/da5eaddf-2942-42ef-8c46-e020ba920885.jpg

https://files.geocollections.info/large/2e/0b/2e0b0682-28cc-46cd-9c0d-1b46b8b0cb47.jpg

https://files.geocollections.info/large/83/4d/834d9f0f-8501-4cd7-a916-e9fda27e0705.jpg

Selection of related publications

Balashova, E. A. 1964. Morfologiâ, filogeniâ i stratigrafičeskoe značenie ranneordovikskogo podsemejstva Ptychopyginae Pribaltiki. Voprosy paleontologii IV, 3-56.

List of species

1. Ptychopyge angustifrons (Dalman, 1827)

2. Ptychopyge broeggeri Schmidt, 1904 | Volkhov Stage

3. Ptychopyge excavato-zonata (Angelin, 1854)

4. Ptychopyge gladiifera Schmidt, 1904 | Volkhov Stage

5. Ptychopyge herambensis Skjeseth, 1952

6. Ptychopyge janischewskyi Balashova, 1964

7. Ptychopyge lesnikovae Balashova, 1964 | Volkhov Stage

8. Ptychopyge minor Skjeseth, 1952

9. Ptychopyge rossica Balashova, 1964 | Volkhov Stage

10. Ptychopyge volkhovense Balashova, 1964

Classification

Organism group	Biota
Kingdom	Animalia
Phylum	Arthropoda
Subphylum	Trilobita
Order	Asaphida
Superfamily	Asaphoidea
Family	Asaphidae
Genus	Asaphus
	Baltiites
	Basilicus
	Delphasaphus
	Dubovikites
	Estoniites
	Gog
	Homalopyge
	Isotelus
	Lamanskytes
	Leningradites
	Megalaspides
	Megistaspis
	Metaptychopyge
	Niobe
	Niobella
	Ogmasaphus
	Onchometopus
	Paraptychopyge
	Platyasaphus
	Plectasaphus
	Proasaphus
	Protoptychopyge
	Pseudasaphus
	Pseudoasaphinus
	Pseudobasilicus
	Pseudobasiliella
	Pseudomegalaspis
	Pseudoptychopyge
	Ptychopyge
Species	angustifrons
	broeggeri
	excavato-zonata
	gladiifera
	herambensis
	janischewskyi
	knyrkoi
	lesnikovae
	minor
	rossica
	volkhovense
Genus	Subasaphus
	Valdaites
	Xenasaphus