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Sudret - Hamra, Sweden

Group	Sudret
Formation	Hamra
Age:	426 - 423 Ma Silurian
Interval	Ludfordian
Lithology	limestone, "carbonate"
Number of Collections	59
Number of Occurrences	369

Recorded Sample Locations

Location	Region	Stratigraphic Name
G81-39	Sweden	Sudret - Hamra
G75-14	Gotland County, Sweden	Sudret - Hamra
G77-33 PSSFG	Gotland County, Sweden	Sudret - Hamra
G90-125 LJ	Gotland County, Sweden	sudret - Hamra
G00-29 LJ	Gotland County, Sweden	sudret - Hamra
G90-125 LJ	Gotland County, Sweden	sudret - Hamra
G03-343 LJ	Gotland County, Sweden	sudret - Hamra
G77-32	Gotland County, Sweden	sudret - Hamra
G04-738 LJ	Sweden	sudret - Hamra
G04-740 LJ	Gotland County, Sweden	sudret - Hamra
G94-74 LJ	Gotland County, Sweden	sudret - Hamra
G02-139 LJ	Gotland County, Sweden	sudret - Hamra
G69-44	Gotland County, Sweden	sudret - Hamra
G69-45	Gotland County, Sweden	sudret - Hamra
G66-111 SL	Gotland County, Sweden	sudret - Hamra
G75-15	Gotland County, Sweden	Sudret - Hamra
74 c	Gotland County, Sweden	Sudret - Hamra
G67-47LJ	Gotland County, Sweden	Sudret - Hamra
G66-187 SL	Gotland County, Sweden	Sudret - Hamra
G66-188	Gotland County, Sweden	Sudret - Hamra
GLL75-12	Gotland County, Sweden	sudret - Hamra

Associated Units

Stratigraphic Name	Age	Lithology	Occurrence Records
Sudret - Burgsvik	426 - 423 Ma Silurian	limestone, grainstone	118
sudret - Sundre	426 - 419 Ma Paleozoic	carbonate, "limestone"	448

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Walliserodus sp. genus	6	Animalia : Chordata : Belodellidae : *Walliserodus*	425.6 - 423 Ma Silurian
Dapsilodus sp. genus	6	Animalia : Chordata : Dapsilodontidae : *Dapsilodus*	425.6 - 423 Ma Silurian
Distacodus obliquicostatus species	7	Animalia : Chordata : Dapsilodontidae : Dapsilodus : *Distacodus obliquicostatus*	425.6 - 423 Ma Silurian
Coryssognathus dubius species	7	Animalia : Chordata : Conodonta : Conodontophorida : Coryssognathus : *Coryssognathus dubius*	425.6 - 423 Ma Silurian
Erika divarica species	7	Animalia : Chordata : Conodonta : Erika : *Erika divarica*	425.6 - 423 Ma Silurian
Oulodus sp. genus	6	Animalia : Chordata : Conodonta : *Oulodus*	425.6 - 423 Ma Silurian
Oulodus elegans species	7	Animalia : Chordata : Conodonta : Oulodus : *Oulodus elegans*	425.6 - 423 Ma Silurian
Oulodus excavatus species	7	Animalia : Chordata : Conodonta : Oulodus : *Oulodus excavatus*	425.6 - 423 Ma Silurian
Oulodus novoexcavatus species	7	Animalia : Chordata : Conodonta : Oulodus : *Oulodus novoexcavatus*	425.6 - 423 Ma Silurian
Belodella sp. genus	6	Animalia : Chordata : Belodontidae : *Belodella*	425.6 - 423 Ma Silurian
Belodella resima species	7	Animalia : Chordata : Conodonta : Strachanognathidae : Belodella : *Belodella resima*	425.6 - 423 Ma Silurian
Decoriconus fragilis species	7	Animalia : Chordata : Conodonta : Strachanognathidae : Decoriconus : *Decoriconus fragilis*	425.6 - 423 Ma Silurian
Pseudooneotodus sp. genus	6	Animalia : Chordata : Strachanognathidae : *Pseudooneotodus*	425.6 - 423 Ma Silurian
Oneotodus beckmanni species	7	Animalia : Chordata : Strachanognathidae : Pseudooneotodus : *Oneotodus beckmanni*	425.6 - 423 Ma Silurian
Ctenognathodus sp. genus	6	Animalia : Chordata : Kockelellidae : *Ctenognathodus*	425.6 - 423 Ma Silurian
Ctenognathodus confluens species	7	Animalia : Chordata : Conodonta : Ozarkodinida : Kockelellidae : Ctenognathodus : *Ctenognathodus confluens*	425.6 - 423 Ma Silurian
Nicollidina remscheidensis species	7	Animalia : Chordata : Conodonta : Ozarkodinida : Nicollidina : *Nicollidina remscheidensis*	425.6 - 423 Ma Silurian
Ozarkodina sp. genus	6	Animalia : Chordata : Prioniodontidae : *Ozarkodina*	425.6 - 423 Ma Silurian
Ozarkodina confluens species	7	Animalia : Chordata : Conodonta : Ozarkodinida : Ozarkodina : *Ozarkodina confluens*	425.6 - 423 Ma Silurian
Ozarkodina crispa species	7	Animalia : Chordata : Conodonta : Ozarkodinida : Ozarkodina : *Ozarkodina crispa*	425.6 - 423 Ma Silurian
Ozarkodina modesta species	7	Animalia : Chordata : Conodonta : Ozarkodinida : Ozarkodina : *Ozarkodina modesta*	425.6 - 423 Ma Silurian
Ozarkodina roopaensis species	7	Animalia : Chordata : Prioniodontidae : Ozarkodina : *Ozarkodina roopaensis*	425.6 - 423 Ma Silurian
Ozarkodina scanica species	7	Animalia : Chordata : Conodonta : Ozarkodinida : Ozarkodina : *Ozarkodina scanica*	425.6 - 423 Ma Silurian
Ozarkodina snajdri species	7	Animalia : Chordata : Conodonta : Ozarkodinida : Ozarkodina : *Ozarkodina snajdri*	425.6 - 423 Ma Silurian
Ozarkodina steinhornensis species	7	Animalia : Chordata : Conodonta : Ozarkodinida : Ozarkodina : *Ozarkodina steinhornensis*	425.6 - 423 Ma Silurian
Ozarkodina wimani species	7	Animalia : Chordata : Conodonta : Ozarkodinida : Ozarkodina : *Ozarkodina wimani*	425.6 - 423 Ma Silurian
Ozarkodina excavata species	7	Animalia : Chordata : Spathognathodontidae : Wurmiella : *Ozarkodina excavata*	425.6 - 423 Ma Silurian
Panderodus sp. genus	6	Animalia : Chordata : Distacodontidae : *Panderodus*	425.6 - 423 Ma Silurian
Paltodus equicostatus species	7	Animalia : Chordata : Distacodontidae : Panderodus : *Paltodus equicostatus*	425.6 - 423 Ma Silurian
Paltodus panderi species	7	Animalia : Chordata : Distacodontidae : Panderodus : *Paltodus panderi*	425.6 - 423 Ma Silurian
Panderodus serratus species	7	Animalia : Chordata : Distacodontidae : Panderodus : *Panderodus serratus*	425.6 - 423 Ma Silurian
Panderodus unicostatus species	7	Animalia : Chordata : Distacodontidae : Panderodus : *Panderodus unicostatus*	425.6 - 423 Ma Silurian

References

Jeppsson L. (1983) Silurian conodont faunas from Gotland, Fossils and Strata 15, 121-144

Bremer O., Jarochowska E., et al (2019) Vertebrate dermal remains and conodont distribution in the upper Silurian Hamra and Sundre formations of Gotland, Sweden, Gff

Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!

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