long wall on Kaupungsklint Hillock, Ardre (Silurian of Sweden)

Also known as Hemse Beds: Fossils of crinoid limestone

Where: Gotland, Sweden (57.4° N, 18.7° E: paleocoordinates 16.5° S, 2.2° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Unit D Member (Hemse Beds Formation), Ludfordian (425.6 - 423.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; reef rocks and limestone

• SEP: environmental call based on given info

Primary reference: A. A. Manten. 1971. Silurian Reefs of Gotland. Developments in Sedimentology 13:1-539 [M. Foote/M. Foote/P. Wagner]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 13616: authorized by Michael Foote, entered by Michael Foote on 16.04.2002, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

• Manten 1971, Table XIX
Rothpletzella
  -
unclassified
  -
Trilobita
  -
Trilobita indet. Walch 1771 trilobite
 Corynexochida - Illaenidae
Bumastus sp. Murchison 1839 trilobite
 Phacopida - Dalmanitidae
 Phacopida - Encrinuridae
Encrinurus punctatus Wahlenberg 1821 trilobite
 Phacopida - Cheiruridae
Sphaerexochus sp. Beyrich 1845 trilobite
Sphaerexochus laciniatus Lindström 1885 trilobite
 Phacopida - Calymenidae
Calymene sp. Brongniart 1822 trilobite
 Proetida - Proetidae
Proetus sp. Steininger 1831 trilobite
Ostracoda
  -
Ostracoda indet. Latreille 1802 ostracod
 Palaeocopida -
 Leperditicopida - Leperditiidae
Brachiopoda
  -
Brachiopoda indet. Cuvier 1805
Strophomenata
 Productida - Chonetidae
 Strophomenida - Rafinesquinidae
Leptaena rhomboidalis Wahlenberg 1818
 Strophomenida - Strophomenidae
Strophomena concinna
"Strophomena" concinna Lindstroem in museo
Rhynchonellata
 Athyridida - Nucleospiridae
Nucleospira pisum Sowerby 1839
 Spiriferida - Cyrtiidae
 Spiriferida - Delthyrididae
Delthyris elevata Dalman 1828
 Pentamerida - Subrianidae
 Pentamerida - Pentameridae
"Conchidium knighti" = Kirkidium knighti
"Conchidium knighti" = Kirkidium knighti Sowerby 1813
 Atrypida - Atrypidae
 Rhynchonellida - Camarotoechiidae
 Rhynchonellida - Hebetoechiidae
Sphaerirhynchia wilsoni de Sowerby 1816
 Orthida - Rhipidomellidae
 Orthida - Dalmanellidae
Levenea canaliculata Lindström 1861
 Orthida - Plaesiomyidae
 Orthida - Hesperorthidae
Dolerorthis rustica Sowerby 1839
Lingulata
 Lingulida - Disciniidae
Orbiculoidea sp. d'Orbigny 1847
Craniata
 Trimerellida - Trimerellidae
Trimerella sp. Billings 1862
 Craniopsida - Craniopsidae
Polychaeta
 Sabellida - Serpulidae
Bivalvia
  -
Megalomus gotlandicus clam
"Megalomus" gotlandicus Lindstroem
 Lucinida - Lucinidae
Ilionia prisca Hisinger 1837 clam
Gastropoda
  -
Gastropoda indet. Cuvier 1797 snail
 Euomphalina - Euomphalidae
Poleumita discors, "Pleurotomaria planorbis" = Centrifugus planorbis
Poleumita discors Sowerby 1814 snail
"Pleurotomaria planorbis" = Centrifugus planorbis Bronn 1835 snail
 Euomphalina - Oriostomatidae
Oriostoma coronatum Lindström 1884 snail
 Murchisoniina - Hormotomidae
"Murchisonia compressa" = Catazone compressa
"Murchisonia compressa" = Catazone compressa Lindström 1884 snail
Tentaculita
 Cornulitida - Cornulitidae
Cephalopoda
 Orthocerida - Orthoceratidae
Orthoceras sp. Breynius 1832
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
Stenolaemata
 Fenestrida - Fenestellidae
 Cyclostomata -
 Cryptostomata - Ptilodictyidae
Ptilodictya lanceolata Goldfuss 1829
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
 Pisocrinida - Pisocrinidae
Pisocrinus sp. de Koninck 1858 Sea lily
 Calceocrinida - Calceocrinidae
Calceocrinus sp. Hall 1852 Sea lily
 Cyathocrinida - Cyathocrinitidae
Gissocrinus sp. Angelin 1878 Sea lily
Stromatoporoidea
 Stromatoporoidea -
 Labechiida - Labechiidae
Labechia conferta Lonsdale 1839
Anthozoa
  -
Anthozoa indet. Ehrenberg 1834
 Auloporida - Syringoporidae
Syringopora sp. Goldfuss 1826 tabulate coral
 Auloporida - Auloporidae
Aulopora roemeri tabulate coral
Aulopora sp. Goldfuss 1829 tabulate coral
 Favositida - Favositidae
Favosites sp. Lamarck 1816 tabulate coral
Favosites gothlandicus Lamarck 1816 tabulate coral
 Favositida - Coenitidae
Coenites repens tabulate coral
Coenites sp. Eichwald 1829 tabulate coral
 Heliolitida - Halysitidae
Halysites catenularius Linnaeus 1767 tabulate coral
 Heliolitida - Heliolitidae
Heliolites sp. Dana 1846 tabulate coral
 Stauriida - Acervulariidae
Rhodophyceae
  - Solenoporaceae
Solenopora sp. Dybowski 1877
 Algae -