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Jaani - Mustjala, Estonia

Formation	Jaani
Member	Mustjala
Age:	428 - 426 Ma Silurian
Interval	Sheinwoodian
Lithology	dolomite/marl, marl, claystone/marl, dolomite
Number of Collections	12
Number of Occurrences	145

Recorded Sample Locations

Location	Region	Stratigraphic Name
Suigu	Estonia	Jaani - Mustjala
Viirelaid section RumbaFarm	Saare County, Estonia	Jaani - Mustjala
Panga cliff	Saare County, Estonia	Jaani - Mustjala

Associated Units

Stratigraphic Name	Age	Lithology	Occurrence Records
Jaani	428 - 426 Ma Silurian	limestone, marl, claystone/marl	119
Jaani - Ninase	428 - 426 Ma Silurian	limestone, dolomite	38
Jaani - Paramaja	428 - 426 Ma Silurian	marl/dolomite, claystone, marl/"limestone", dolomite	235
Muhu - Kesselaid	433 - 431 Ma Silurian	dolomite/marl, dolomite	61
Rumba	439 - 428 Ma Silurian	limestone, grainstone/marl, "limestone"/grainstone	44
Velise	439 - 428 Ma Silurian	dolomite/marl, claystone, "limestone"	336

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Conochitina sp. genus	6	Prosamatifera : Conochitinidae : *Conochitina*	433.4 - 430.5 Ma Silurian
Calpichitina sp. genus	6	Rhizopodea : *Calpichitina*	433.4 - 430.5 Ma Silurian
Ancyrochitina sp. genus	6	Sarcodina : Rhizopodea : *Ancyrochitina*	433.4 - 430.5 Ma Silurian
Margachitina sp. genus	6	Sarcodina : Rhizopodea : *Margachitina*	433.4 - 430.5 Ma Silurian
Plectochitina sp. genus	6	Sarcodina : Rhizopodea : *Plectochitina*	433.4 - 430.5 Ma Silurian
Pterochitina sp. genus	6	Sarcodina : Rhizopodea : *Pterochitina*	433.4 - 430.5 Ma Silurian
Whitfieldella sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Athyridida : Meristellidae : *Whitfieldella*	428.2 - 426.2 Ma Silurian
Atrypa reticularis species	7	Animalia : Brachiopoda : Rhynchonellata : Atrypida : Atrypidae : Atrypa : *Atrypa reticularis*	428.2 - 426.2 Ma Silurian
Glassia sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Atrypida : Glassiidae : *Glassia*	428.2 - 426.2 Ma Silurian
Resserella sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Orthida : Dalmanellidae : *Resserella*	428.2 - 426.2 Ma Silurian
Dolerorthis rustica species	7	Animalia : Brachiopoda : Rhynchonellata : Orthida : Hesperorthidae : Dolerorthis : *Dolerorthis rustica*	428.2 - 426.2 Ma Silurian
Dalejina hybrida species	7	Animalia : Brachiopoda : Rhynchonellata : Orthida : Rhipidomellidae : Dalejina : *Dalejina hybrida*	428.2 - 426.2 Ma Silurian
Estonirhynchia sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Hebetoechiidae : *Estonirhynchia*	428.2 - 426.2 Ma Silurian
Stegerhynchus borealis species	7	Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Rhynchotrematidae : Stegerhynchus : *Stegerhynchus borealis*	428.2 - 426.2 Ma Silurian
Streptis sp. genus	6	Animalia : Brachiopoda : Strophomenata : Orthotetida : Triplesiidae : *Streptis*	428.2 - 426.2 Ma Silurian
Leptaena sp. genus	6	Animalia : Brachiopoda : Strophomenata : Strophomenida : Rafinesquinidae : *Leptaena*	428.2 - 426.2 Ma Silurian
Walliserodus sp. genus	6	Animalia : Chordata : Belodellidae : *Walliserodus*	433.4 - 430.5 Ma Silurian
Oulodus excavatus species	7	Animalia : Chordata : Conodonta : Oulodus : *Oulodus excavatus*	433.4 - 430.5 Ma Silurian
Decoriconus fragilis species	7	Animalia : Chordata : Conodonta : Strachanognathidae : Decoriconus : *Decoriconus fragilis*	433.4 - 430.5 Ma Silurian
Oneotodus beckmanni species	7	Animalia : Chordata : Strachanognathidae : Pseudooneotodus : *Oneotodus beckmanni*	433.4 - 430.5 Ma Silurian
Pseudooneotodus bicornis species	7	Animalia : Chordata : Strachanognathidae : Pseudooneotodus : *Pseudooneotodus bicornis*	433.4 - 430.5 Ma Silurian
Kockelella ranuliformis species	7	Animalia : Chordata : Conodonta : Ozarkodinida : Kockelellidae : Kockelella : *Kockelella ranuliformis*	433.4 - 430.5 Ma Silurian
Ozarkodina confluens species	7	Animalia : Chordata : Conodonta : Ozarkodinida : Ozarkodina : *Ozarkodina confluens*	433.4 - 430.5 Ma Silurian
Ozarkodina sagitta species	7	Animalia : Chordata : Conodonta : Ozarkodinida : Ozarkodina : *Ozarkodina sagitta*	433.4 - 430.5 Ma Silurian
Wurmiella sp. genus	6	Animalia : Chordata : Spathognathodontidae : *Wurmiella*	433.4 - 430.5 Ma Silurian
Ozarkodina excavata species	7	Animalia : Chordata : Spathognathodontidae : Wurmiella : *Ozarkodina excavata*	433.4 - 430.5 Ma Silurian
Paltodus equicostatus species	7	Animalia : Chordata : Distacodontidae : Panderodus : *Paltodus equicostatus*	433.4 - 430.5 Ma Silurian
Syringopora sp. genus	6	Animalia : Cnidaria : Anthozoa : Favositidae : *Syringopora*	428.2 - 426.2 Ma Silurian
Thecia sp. genus	6	Animalia : Cnidaria : Anthozoa : Theciidae : *Thecia*	428.2 - 426.2 Ma Silurian
Catenipora sp. genus	6	Animalia : Cnidaria : Anthozoa : Halysitidae : *Catenipora*	428.2 - 426.2 Ma Silurian
Halysites senior species	7	Animalia : Cnidaria : Anthozoa : Heliolitida : Halysitidae : Halysites : *Halysites senior*	428.2 - 426.2 Ma Silurian
Densastroma pexisum species	7	Animalia : Porifera : Stromatoporoidea : Actinostromatida : Densastromatidae : Densastroma : *Densastroma pexisum*	428.2 - 426.2 Ma Silurian
Clathrodictyon delicatulum species	7	Animalia : Porifera : Clathrodictyidae : Clathrodictyon : *Clathrodictyon delicatulum*	428.2 - 426.2 Ma Silurian
Clathrodictyon variolare species	7	Animalia : Porifera : Stromatoporoidea : Clathrodictyida : Clathrodictyidae : Clathrodictyon : *Clathrodictyon variolare*	428.2 - 426.2 Ma Silurian
Oslodictyon sp. genus	6	Animalia : Porifera : Clathrodictyidae : *Oslodictyon*	428.2 - 426.2 Ma Silurian
Simplexodictyon sp. genus	6	Animalia : Porifera : Stromatoporellidae : *Simplexodictyon*	428.2 - 426.2 Ma Silurian

References

Rubel M., Einasto R. (1990) Locality 6:1 Panga Cliff, Field Meeting Estonia 1990, Excursion Guidebook, 163-165

Rubel M., Hints O., et al (2007) Lower Silurian biostratigraphy of the Viirelaid core, western Estonia, Estonian Journal of Earth Sciences 56 4, 193-204

Männik P., Põldvere A., et al (2014) The Llandovery – Wenlock boundary interval in west-central continental Estonia: an example from the Suigu (S-3) core section, Estonian Journal of Earth Sciences 63 1, 1-17 doi:10.3176/earth.2014.01

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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