Order

Acrotretida Kühn, 1949

Selection of related publications
Holmer, L. E., Biernat, G. 2002. Lingulate brachiopods from Lower Ordovician (Tremadoc) chalcedonites, Holy Cross Mountains, Poland. Acta Palaeontologica Polonica 47, 1, 141-156.
Holmer, L. E., Popov, L. E. 2000. Class Lingulata. Treatise on Invertebrate Paleontology, part H Brachiopoda, pp. 30-146.
Popov L., Nõlvak J., Holmer, L. 1994. Late Ordovician lingulate brachiopods from Estonia. Palaeontology 37, 3, 627-650.
Popov, L., Holmer, L. E. 1994. Cambrian-Ordovician lingulate brachiopods from Scandinavia, Kazakhstan, and South Ural Mountains. Fossils and Strata 35, 1-156. DOI:10.1111/j.1502-3931.1994.tb01571.x
Holmer, L. E., Popov, L. E. 1994. Revision of the type species of Acrotreta and related Lingulate brachiopods. Journal of Paleontology 68, 3, 433-450. DOI:10.1017/S002233600002583X
Holmer, H., Popov, L. E. 1990. The acrotretacean brachiopod Ceratreta tanneri (Metzger) from the Upper Cambrian of Baltoscandia. GFF 112, 3, 249-263. DOI:10.1080/11035899009454772
Holmer, L. E. 1989. Middle Ordovician phosphatic inarticulate brachiopods from Västergötland and Dalarna, Sweden. Fossils and Strata 26, 1-172.
Popov, L. E., Khazanovich, K. K. 1989. Lingulata (inarticulate brachiopods with phosphate-calcium shell). The Key sections and stratigraphy of the phosphate bearing Obolus beds of the North-East of the Russian platform, pp. 96-136. Nauka.
Bednarczyk, W. 1986. Inarticulate brachiopods from the Lower Ordovician in northern Poland. Annales Societatis Geologorum Poloniae 56, 3-4, 409 - 418.
Kaljo, D., Borovko, N., Heinsalu, H., Khazanovich, K., Mens, K., Popov, L., Sergejeva, S., Sobolevskaya, R., Viira, V. 1986. The Cambrian-Ordovician boundary in the Baltic-Ladoga clint area (North Estonia and Leningrad Region, USSR). Eesti NSV Teaduste Akadeemia Toimetised. Geoloogia / Известия Академии наук Эстонской ССР. Геология 35, 3, 97-108. DOI:10.3176/geol.1986.3.01
Biernat, G. 1984. Silurian inarticulate brachiopods from Poland. Acta Palaeontologica Polonica 29, 1-2, 91-103.
Popov, L. 1981. The first record of microscopoic inarticulate brachiopods of the family Acrotretidae of the Silurian of Estonia. Eesti NSV Teaduste Akadeemia Toimetised. Geoloogia / Известия Академии наук Эстонской ССР. Геология 30, 1, 34-41. DOI:10.3176/geol.1981.1.06
Biernat, G. 1973. Ordovician Inarticulate Brachiopods from Poland and Estonia. Palaeontologia Polonica 28, 1-116.
Gorjansky, V. J. 1969. Bezzamkovye brahiopody kembrijskih i ordovikskih otloženij severo-zapada Russkoj platformy. pp. 1-176. Nedra.
Hoyningen-Huene, F. 1899. Die silurischen Craniaden der Ostseeländer mit Ausschluss Gotlands. Verhandlungen der Russisch-Kaiserlichen Mineralogischen Gesellschaft zu St. Petersburg 36, 2, 181-359.
List of species
1. Acrotreta conula Walcott, 1902 | Upper Cambrian (old nomenclature)
3. Acrotreta subconica Kutorga, 1848 | Hunneberg Stage→Volkhov Stage
5. Angulotreta postapicalis Palmer, 1954 | Upper Cambrian (old nomenclature)
8. Ceratreta tanneri (Metzger, 1922) | Upper Cambrian (old nomenclature)
9. Conotreta mica Gorjansky, 1969 | Kunda Stage→Uhaku Stage
11. Conotreta siljanensis Holmer, 1989 | Lasnamägi Stage→Uhaku Stage
13. Cyrtonotreta vestrogothica Holmer, 1989 | Uhaku Stage→Kukruse Stage
15. Eoconulus clivosus Popov, 1975 | Lower Ordovician
16. Eoconulus cryptomyus Gorjansky, 1969 | Volkhov Stage→Uhaku Stage
19. Ephippelasma minutum Cooper, 1956 | Darriwilian→Sandbian
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Classification
Organism groupBiota
KingdomAnimalia
PhylumBrachiopoda
SubphylumLinguliformea
ClassLingulata
OrderAcrotretida
SuperfamilyAcrotretoidea
GenusPseudometoptoma
OrderLingulida
Siphonotretida
See also