Hiiumaa Island, Hilliste bioherm type 3 (Silurian of Estonia)

Also known as Reef 2792

Where: Estonia (58.9° N, 23.0° E: paleocoordinates 24.9° S, 2.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Cystograptus vesiculosus - Coronograptus cyphus graptolite zone, Hilliste Formation, Juuru (443.4 - 439.0 Ma)

• unit G1-2 H

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified limestone

• coral-stromatoporoid bioherms

Size class: macrofossils

Collection methods: peel or thin section,

Primary reference: A. O. Aaloe and H. E. Nestor. 1977. Biogermnaya fatsiya v yuuruskom gorizonte (nizhniy llandoveri) v severo-zapadnoy Estonii [Biohermal facies in the Juuru stage (Lower Llandoverian) in NW Estonia]. in D. L. Kaljo, Fatsii i fauna silura Pribaltiki [Facies and fauna of the Baltic Silurian] 71-88 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 77389: authorized by Wolfgang Kiessling, entered by Uta Merkel on 10.01.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Stromatoporoidea
 Clathrodictyida - Clathrodictyidae
Clathrodictyon demissus stromatoporoid sponge
Clathrodictyon boreale Riabinin 1951 stromatoporoid sponge
 Actinostromatida - Actinostromatidae
Plectostroma necopinatum Nestor 1964 stromatoporoid sponge
 Labechiida - Rosenellidae
Pachystylostroma ungerni Rosen 1867 stromatoporoid sponge
Anthozoa
 Heliolitida - Coccoserididae
Acidolites sp. Lang et al. 1940 tabulate coral
 Heliolitida - Halysitidae
"Catenipora approximata" = Halysites approximata
"Catenipora approximata" = Halysites approximata Eichwald 1829 tabulate coral
 Auloporida - Aulocystidae
"Sinopora sp." = Pseudoromingeria
"Sinopora sp." = Pseudoromingeria Yabe and Sugiyama 1941 tabulate coral
 Favositida - Favositidae
Paleofavosites balticus tabulate coral
Paleofavosites primus tabulate coral
Mesofavosites fleximurinus Sokolov 1951 tabulate coral
 Stauriida - Entelophyllidae
Petrozium losseni Dybowski 1873 horn coral
Trilobita
 Phacopida - Calymenidae
Calymene sp. Brongniart 1822 trilobite
 Corynexochida - Illaenidae
Stenopareia sp. Holm 1886 trilobite
Ostracoda
 Podocopida - Microcheilinellidae
Rhynchonellata
 Rhynchonellida - Rhynchotrematidae
"Stegorhynchella borealis" = Stegerhynchus
"Stegorhynchella borealis" = Stegerhynchus
 Orthida - Linoporellidae
Linoporella cf. punctata deVerneuil 1848
 Orthida - Dalmanellidae
Dalmanella cyclica Rubel 1962
 Orthida - Platystrophiidae
"Platystrophia affabilis" = Neoplatystrophia affabilis
"Platystrophia affabilis" = Neoplatystrophia affabilis Rubel 1962
 Orthida - Hesperorthidae
 Atrypida - Septatrypidae
"Atrypopsis reclinis" = Septatrypa
"Atrypopsis reclinis" = Septatrypa
 Atrypida - Atrypinidae
Gastropoda
  -
Gastropoda indet. Cuvier 1795 snail
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily