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
Show authors, comments, and common names
unclassified
  -
? Rhemgaphyllum ? conulus, Spiroris sp., Leptostrphia impressa, Protoathyris didyma
Rhodophyceae
  - Solenoporaceae
Solenopora sp.
Solenopora sp. Dybowski 1877
Algae
 Algae -
Algae indet.
Rothpletzella
  -
Rothpletzella sp.
Brachiopoda
  -
Brachiopoda indet.
Brachiopoda indet. Cuvier 1805
Craniata
 Trimerellida - Trimerellidae
Trimerella sp.
Trimerella sp. Billings 1862
 Craniopsida - Craniopsidae
Craniops implicata
Lingulata
 Lingulida - Discinidae
Orbiculoidea sp.
Orbiculoidea sp. d'Orbigny 1847
Rhynchonellata
 Atrypida - Atrypidae
Atrypa reticularis, Plectatrypa marginalis
Atrypa reticularis Linnaeus 1758
 Spiriferida - Cyrtiidae
Eospirifer schmidti
 Spiriferida - Delthyrididae
Delthyris elevata
Delthyris elevata Dalman 1828
 Orthida - Hesperorthidae
Ptychopleurella bouchardi, Dolerorthis rustica
Dolerorthis rustica Sowerby 1839
 Orthida - Plaesiomyidae
Dinorthis rigida
 Orthida - Dalmanellidae
Levenea canaliculata
Levenea canaliculata Lindström 1861
 Orthida - Rhipidomellidae
Rhipidomella hybrida
 Rhynchonellida - Camarotoechiidae
Camarotoechia diodonta
 Rhynchonellida - Hebetoechiidae
Sphaerirhynchia wilsoni
Sphaerirhynchia wilsoni de Sowerby 1816
 Rhynchonellida - Trigonirhynchiidae
"Camarotoechia nucula" = Microsphaeridiorhynchus nucula
"Camarotoechia nucula" = Microsphaeridiorhynchus nucula Sowerby 1839
 Athyridida - Nucleospiridae
Nucleospira pisum
Nucleospira pisum Sowerby 1839
 Pentamerida - Pentameridae
"Conchidium knighti" = Kirkidium knighti
"Conchidium knighti" = Kirkidium knighti Sowerby 1813
 Pentamerida - Subrianidae
Conchidium conchidium, Conchidium sp.
Conchidium sp. Oehlert 1887
Strophomenata
 Strophomenida - Chonetidae
Chonetes striatellus
 Strophomenida - Rafinesquinidae
Leptaena rhomboidalis
Leptaena rhomboidalis Wahlenberg 1818
 Strophomenida - Strophomenidae
Strophomena concinna
Strophomena concinna
"Strophomena" concinna Lindstroem in museo
Bryozoa
  -
Bryozoa indet.
Bryozoa indet. Ehrenberg 1831
Stenolaemata
 Cyclostomata - Diastoporidae
Berenicea consimilis
 Cryptostomata - Fenestellidae
Fenestella reticulata, Fenestella sp.
Fenestella sp. Lonsdale 1839
 Cryptostomata - Ptilodictyidae
Ptilodictya lanceolata
Ptilodictya lanceolata Goldfuss 1829
Tentaculita
 Cornulitida - Cornulitidae
Conchicolites sp., Cornulites seruplarius
Conchicolites sp. Nicholson 1872
Polychaeta
 Sabellida - Serpulidae
Spirorbis lewisi
Gastropoda
  -
Gastropoda indet.
Gastropoda indet. Cuvier 1795 snail
 Euomphalina - Euomphalidae
"Pleurotomaria planorbis" = Centrifugus planorbis, Poleumita discors
"Pleurotomaria planorbis" = Centrifugus planorbis Bronn 1835 snail
Poleumita discors Sowerby 1814 snail
 Euomphalina - Oriostomatidae
Oriostoma coronatum
Oriostoma coronatum Lindström 1884 snail
 Murchisoniina - Hormotomidae
"Murchisonia compressa" = Catazone compressa
"Murchisonia compressa" = Catazone compressa Lindström 1884 snail
Bivalvia
 Lucinida - Lucinidae
Ilionia prisca
Ilionia prisca Hisinger 1837 clam
 Megalodontida - Megalodontidae
"Megalomus gotlandicus" = Megalomoidea
"Megalomus gotlandicus" = Megalomoidea clam
"Megalomus" gotlandicus Lindstroem
Cephalopoda
 Orthocerida - Orthoceratidae
Orthoceras sp.
Orthoceras sp. Breynius 1832
Deuteropoda
  -
Ostracoda indet.
Ostracoda indet. Latreille 1802 ostracod
Ostracoda
 Leperditicopida - Leperditiidae
Leperditia gigantea, Leperditia gregaria, Leperditia phaseolus
 Palaeocopida -
Hemsiella maccoyana
 Palaeocopida - Beyrichiidae
"Neobeyrichia nodulosa" = Beyrichia, "Neobeyrichia sp." = Beyrichia
"Neobeyrichia nodulosa" = Beyrichia ostracod
"Neobeyrichia sp." = Beyrichia M'Coy 1846 ostracod
Trilobita
  -
Trilobita indet.
Trilobita indet. Walch 1771 trilobite
 Proetida - Proetidae
Proetus sp., Proetus conspersus
Proetus sp. Steininger 1831 trilobite
Proetus conspersus Angelin 1855 trilobite
 Phacopida - Calymenidae
Calymene spectabilis, Calymene sp.
Calymene sp. Brongniart 1822 trilobite
 Phacopida - Cheiruridae
Sphaerexochus sp., Sphaerexochus laciniatus
Sphaerexochus sp. Beyrich 1845 trilobite
Sphaerexochus laciniatus Lindström 1885 trilobite
 Phacopida - Encrinuridae
Encrinurus punctatus
Encrinurus punctatus Wahlenberg 1821 trilobite
 Phacopida - Dalmanitidae
Dalmanites obtusus
 Corynexochida - Illaenidae
Bumastus sp.
Bumastus sp. Murchison 1839 trilobite
Crinoidea
  -
Crinoidea indet.
Crinoidea indet. Miller 1821 Sea lily
 Cyathocrinida - Cyathocrinitidae
Gissocrinus sp.
Gissocrinus sp. Angelin 1878 Sea lily
 Calceocrinida - Calceocrinidae
Calceocrinus sp.
Calceocrinus sp. Hall 1852 Sea lily
 Pisocrinida - Pisocrinidae
Pisocrinus sp.
Pisocrinus sp. de Koninck 1858 Sea lily
Stromatoporoidea
 Stromatoporoidea -
Stromatoporoidea indet.
Stromatoporoidea indet. stromatoporoid sponge
 Labechiida - Labechiidae
Labechia conferta
Labechia conferta Lonsdale 1839 stromatoporoid sponge
Anthozoa
  -
Anthozoa indet.
Anthozoa indet. Ehrenberg 1834
 Heliolitida - Halysitidae
Halysites catenularius
Halysites catenularius Linnaeus 1767 tabulate coral
 Heliolitida - Heliolitidae
Heliolites interstinctus, Heliolites sp.
Heliolites sp. Dana 1846 tabulate coral
 Auloporida - Syringoporidae
Syringopora sp.
Syringopora sp. Goldfuss 1826 tabulate coral
 Auloporida - Auloporidae
Aulopora roemeri, Aulopora sp.
Aulopora roemeri tabulate coral
Aulopora sp. Goldfuss 1829 tabulate coral
 Favositida - Coenitidae
Coenites repens, Coenites sp.
Coenites repens tabulate coral
Coenites sp. Eichwald 1829 tabulate coral
 Favositida - Favositidae
Favosites sp., Favosites gothlandicus
Favosites sp. Lamarck 1816 tabulate coral
Favosites gothlandicus Lamarck 1816 tabulate coral
 Stauriida - Acervulariidae
Acervularia ananas