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Showing results for tags 'phanerozoic'.
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https://www.msn.com/en-ca/news/world/dinosaurs-in-space-would-be-easier-to-spot-than-aliens/ar-AA1jReL3?ocid=msedgdhp&pc=LCTS&cvid=57d31db185444165867e2948671eb20d&ei=33 Oxygen bounty for Earth-like exoplanets: spectra of Earth through the Phanerozoic | Monthly Notices of the Royal Astronomical Society: Letters | Oxford Academic (oup.com)
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Do these get much larger than this one at around 6.7 cm. Found in Tarrant Co. Texas 20-30 years ago.
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- phanerozoic
- bivalves
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Fossil brachiopod Schellwienella sp. EDIT: Updated pictures and stratigraphic information.
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- 2
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- bangor
- bangor limestone
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Fossil Brachiopod Diaphragmus cestriensis EDIT: Updated pictures and stratigraphic information.
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- 3
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- brachiopoda
- productida
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Kaskia sp. pygidium.
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- animalia
- arthropoda
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Kaskia sp. pygidium.
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- animalia
- arthropoda
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Archimedes sp. located at the center of the plate.
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Archimedes sp. located at the center of the plate.
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L1: 7.6 cm L2: 6.2 cm W: 6.0 cm
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- chondrichthyes
- lamniformes
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Premaxillary tooth EDIT: Changed from Tyrannosaurus rex to Tyrannosaurid indet.
- 2 comments
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- 5
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- united states
- montana
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Dimensions: CH = 41 mm CWB = 10 mm CBL = 16 mm MC = 18 denticles/5 mm DC = 14 denticles/5 mm DSDI = 1.29
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- tyrannosaur
- tyrannosauridae
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A new normal: Study explains universal pattern in fossil record, Santa Fe Institute, June 26, 2019 https://www.sciencedaily.com/releases/2019/06/190626160341.htm http://www.terradaily.com/reports/A_new_normal_Study_explains_universal_pattern_in_fossil_record_999.html https://www.eurekalert.org/pub_releases/2019-06/sfi-ann061919.php The paper is: Rominger, A.J., Fuentes, M.A. and Marquet, P.A., 2019. Nonequilibrium evolution of volatility in origination and extinction explains fat-tailed fluctuations in Phanerozoic biodiversity. Science Advances, 5(6), p.eaat0122. (open access paper) https://advances.sciencemag.org/content/5/6/eaat0122.abstract Yours, Paul H.
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- biodiversity
- phanerozoic
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Found associated with T. rougensis, T. spinosus, brachiopods, cephalopods, and graptolites. Included in multi plate alongside eight other complete or near complete T. eatoni.
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- billings shale
- north america
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Included in multi plate alongside eight other complete or near complete T. eatoni. Found in association with T. rougensis, T. spinosus, Brachiopods, Cephalopods, and Graptolites. The Cephalon is slightly disarticulated, likely from molting.
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- billings formation
- phanerozoic
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Found associated with T. rougensis, T. spinosus, brachiopods, cephalopods, and graptolites. Included in multi plate alongside three other T. eatoni and one T. rougensis. Both eyes are preserved.
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- triarthrus
- trilobite
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Both genal spines are present. Right side of cephalon is slightly pyritized. Found associated with T. spinosus, T. eatoni, cephalopods, and graptolites.
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- 1
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- ontario
- triarthrus
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From the album: Billings Shale
A P. latimarginatus pygidium from the Billings formation near St. Laurent, Ottawa. -
From the album: Billings Shale
A partially pyritized P. latimarginatus pygidium from the Billings formation near St. Laurent, Ottawa. -
Found as surface float on the scree pile at the Kashong exposure. Originally assigned to Delthyris, reassigned to Spirifer, Acrospirifer, and Patriaspirifer. Alternate spellings: P. duodenaris, P. duodenaria, P. duodenarius. Does not appear in Fossilworks or Wilson’s “Field Guide to the Devonian Fossils of New York”. Classification information from Fossilworks entry for Patriaspirifer genus. Reference: Linsley, D. M. Devonian Paleontology of New York. (1994) Paleontological Research Institution Special Publication 21. Hall, J. Palaeontology of New York v. 4. (1867) Fossilworks. http://fossilworks.org Yale Peabody Museum Collections website (http://peabody.yale.edu/collections/invertebrate-paleontology)
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- devonian
- phanerozoic
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