Mattoon Formation
138 distinct taxa, from 199 fossil occurrences the Paleobiology Database records under this name, spanning 323–299 Mya.
Illinois · US
138 taxa · 199 fossils · 323–299 MyaFiled under the McLeansboro Group. Members recorded: Shumway Limestone, Cohn Coal, Lower Limestone, Black Shale, Calhoun Coal.
Macrostrat places this rock in the McLeansboro Group, and dates it 304–300 Ma. Macrostrat’s own record
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5 distinct localities, where the rock is now rather than where it was laid down. Tectonics draws the world it belonged to.
When
What has been found
- Derbyia crassa
- Foraminifera
- Ostracoda
- Pelmatozoa
- Archaeocidaris
- Conodonta
- Crurithyris planoconvexa
- Euphemites carbonarius
- Lophophyllidium proliferum
- Pseudorthoceras knoxense
- Serpulidae
- Actinopterygii
- Bryozoa
- Composita subtilita
- Condrathyris perplexa
- Cordaites
- Ditomopyge scitula
- Hystriculina
- Kutorginella lasallensis
- Lissochonetes geinitzianus
- Neochonetes granulifer
- Palaeolima
- Parajuresania nebrascensis
- Pernopecten ohioensis
- Strobeus paludinaeformis
- Tainoceras sexlineatum
- Tetrapoda
- Triticites
- Volsellina subelliptica
- Acanthopecten carboniferus
- Acharax (Nacrosolemya) trapezoides
- Ameura
- Amphiscapha subrugosa
- Antiquatonia portlockianus
- Arenicolites
- Astartella compacta
- Astartella concentrica
- Bellerophon (Bellerophon) stevensianus
- Bivalvia
- Brachycycloceras
The 40 most often recorded, of 138.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.