Hemse Beds: Fossils of Holmhallar-type reef limestone (Manten 1971, Table IX) (Silurian to of Sweden)

Also known as Reef 1877

Where: Gotland, Sweden (57.2° N, 18.4° E: paleocoordinates 17.4° S, 2.3° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Hemse Beds Formation, Gorstian to Gorstian (427.4 - 423.0 Ma)

• group of beds-level stratigraphic resolution

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

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 13617: authorized by Michael Foote, entered by Michael Foote on 16.04.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Protoathyris didyma, Rhomopteria sp.
Stromatoporoidea
 Stromatoporoidea -
Stromatoporoidea indet.
Stromatoporoidea indet. stromatoporoid sponge
 Stromatoporida - Stromatoporidae
Stromatopora discoidea
Stromatopora discoidea Lonsdale 1839 stromatoporoid sponge
Anthozoa
  -
Anthozoa indet.
Anthozoa indet. Ehrenberg 1834
 Stauriida - Acervulariidae
Acervularia ananas
 Heliolitida - Heliolitidae
? Heliolites ? interstinctus, Heliolites sp.
Heliolites sp. Dana 1846 tabulate coral
 Favositida - Favositidae
Favosites sp., Favosites gothlandicus
Favosites sp. Lamarck 1816 tabulate coral
Favosites gothlandicus Lamarck 1816 tabulate coral
 Auloporida - Syringoporidae
Syringopora sp.
Syringopora sp. Goldfuss 1826 tabulate coral
 Auloporida - Auloporidae
Aulopora sp.
Aulopora sp. Goldfuss 1829 tabulate coral
Crinoidea
  -
Crinoidea indet.
Crinoidea indet. Miller 1821 Sea lily
Bryozoa
  -
Bryozoa indet.
Bryozoa indet. Ehrenberg 1831
Brachiopoda
  -
Brachiopoda indet.
Brachiopoda indet. Cuvier 1805
Craniata
 Craniopsida - Craniopsidae
? Craniops ? implicata
Rhynchonellata
 Orthida - Plaesiomyidae
Dinorthis rigida
 Orthida - Dalmanellidae
Levenea canaliculata
Levenea canaliculata Lindström 1861
 Spiriferida - Cyrtiidae
Eospirifer schmidti
 Spiriferida - Delthyrididae
Delthyris elevata
Delthyris elevata Dalman 1828
 Atrypida - Lissatrypidae
Lissatrypa sp.
Lissatrypa sp. Twenhofel 1914
 Atrypida - Atrypidae
Atrypa reticularis, Plectatrypa marginalis
Atrypa reticularis Linnaeus 1758
Strophomenata
 Strophomenida - Leptostrophiidae
? Leptostrophia ? impressa
 Strophomenida - Rafinesquinidae
Leptaena rhomboidalis
Leptaena rhomboidalis Wahlenberg 1818
Cephalopoda
  -
Cephalopoda indet.
Cephalopoda indet. Cuvier 1797
 Tarphycerida - Ophidioceratidae
"Ophidioceras reticulatum" = Ophioceras
"Ophidioceras reticulatum" = Ophioceras
 Discosorida - Phragmoceratidae
Phragmoceras sp.
Phragmoceras sp. Broderip 1839
 Ascocerida - Ascoceratidae
Ascoceras sipho, Ascoceras sp.
Ascoceras sp. Barrande 1847
 Orthocerida - Orthoceratidae
Orthoceras sp.
Orthoceras sp. Breynius 1832
Trilobita
  -
Trilobita indet.
Trilobita indet. Walch 1771 trilobite
 Phacopida - Encrinuridae
? Encrinurus ? punctatus
? Encrinurus ? punctatus Wahlenberg 1821 trilobite
 Phacopida - Cheiruridae
Sphaerexochus laciniatus
Sphaerexochus laciniatus Lindström 1885 trilobite
 Phacopida - Calymenidae
Calymene sp.
Calymene sp. Brongniart 1822 trilobite
 Proetida - Proetidae
Proetus sp., ? Proetus ? conspersus
Proetus sp. Steininger 1831 trilobite
? Proetus ? conspersus Angelin 1855 trilobite
Algae
 Algae -
Algae indet.