Porkuni bryozoans, Northern Estonia (Ordovician of Estonia)

Where: Estonia (59.0° N, 25.0° E: paleocoordinates 26.7° S, 0.8° W)

• local area-level geographic resolution

When: Porkuni (445.6 - 443.7 Ma)

• Possibly the Arina Fm., but possibly amalgamation from those throughout Porkuni stage.

Environment/lithology: sand shoal; lithified, ooidal limestone

• Oolitic limestone with algae and presence of current-sorted shell banks.

Primary reference: K. Brood. 1981. Hirnantian (Upper Ordovician) Bryozoa from Baltoscandia. In G. P. Larnood and C. Nielson (eds.), Recent and fossil Bryozoa: Papers presented at the 5th International Conference on Bryozoa, Durham 19-27 [A. Miller/P. Novack-Gottshall/A. Clement]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 2757: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 17.07.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

• Bryozoan systematics
Show authors, comments, and common names
Stenolaemata
 Cystoporata - Fistuliporidae
Fistulipora sp.
Fistulipora sp. McCoy 1850
  - Phylloporinidae
Chasmatoporella sp.
Chasmatoporella sp. Nekhoroshev 1936
 Trepostomida - Monticuliporidae
Dittopora sp.
Dittopora sp. Dybowski 1877
 Fenestrata - Chasmatoporidae
Enallopora sp.
Enallopora sp. d'Orbigny 1849
 Cryptostomata - Arthrostylidae
Sceptropora sp.
Sceptropora sp. Ulrich 1888
 Cryptostomata - Rhinidictyidae
Metadictya sp., Stictopora sp.
Stictopora sp. Hall 1847
 Cryptostomata - Ptilodictyidae
Clathropora sp.
 Cryptostomata - Rhinidictyonidae
Dicranopora sp.
 Cryptostomata - Acanthocladiidae
Pteropora sp.
Pteropora sp. Eichwald 1860
 Trepostomata - Halloporidae
Hallopora sp.
Hallopora sp. Bassler 1911