"Joanna's Tracks" discovered by Lance Hall and Roz
Morgan in October 2009. Formation: Glen Rose Period: Cretaceous (c. 110 mya) Location: Glen Rose, Texas. Jan. 13, 2010. |
The " McFall " tracks in the Paluxy River.. Formation: Glen Rose Period: Cretaceous (c. 110 mya) Location: Glen Rose, Texas. Nov. 1, 2008. |
Some geologic formations have zones with large amounts of bioturbated deposits or in filled burrows. The larger in filled burrows can resemble bones and are mistaken as such by newer fossil hunters. They are often seen at the transition between softer and harder sediments. | |
fossilized crustacean burrows? (Thalassinoides?) Formation: Weno?? Period: Cretaceous Loc: Tarrant co., Tx. July 9, 2011. [Roz M] |
fossilized crustacean burrows? (Thalassinoides?) Formation: Weno?? Period: Cretaceous Loc: Tarrant co., Tx. May 16, 2010. [Roz M] |
fossilized crustacean burrows (Thalassinoides?) Formation: Weno?? Period: Cretaceous Location: Tarrant co., Tx. April 14, 2010. |
fossilized burrows (Zoophycos?) Formation: Weno Period: Cretaceous (c. 99 mya) Location: Tarrant co., Tx. Feb. 27, 2010. |
fossilized crustacean burrows? Formation: Kiamichi ? Period: Cretaceous (c. 103 mya) Location: Tarrant co., Tx. |
fossilized burrows (Thalassinoides?) Formation: Pawpaw/Mainstreet contact Period: Cretaceous (c. 99 mya) Location: Tarrant co., Tx. April 8, 2007. |
A jellyfish impression Formation: Pawpaw (sandy layer) Period: Cretaceous (c. 99 mya) Location: Tarrant co., Tx. April 4, 2009. |
(not sure if these are old) [+] [+] Formation: Eagle Ford Period: Cretaceous?? Loc: Dallas co., Tx. July 22, 2010. |
nest? [+] Formation: Graham (upper Finis shale) Period: Pennsylvanian (c. 300 mya) Location: Jack co., Tx. 2014. |
nest? Formation: Graham (upper Finis shale) Period: Pennsylvanian (c. 300 mya) Location: Jack co., Tx. 2014. |
Trace fossil |
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"digitating feeding probes" Formation: Graham (Jacksboro limestone member) Period: Pennsylvanian (c. 300 mya) Location: Jack co., Tx. Oct. 6, 2009. |
Fossil burrows Formation: Brazos River Period: Pennsylvanian (c. 300 mya) Location: Palo Pinto co., Tx. May 3, 2014. |
Formation: Kiamichi Period: Cretaceous Location: Tarrant co., Tx. Dec. 23, 2012. [Quarter on left side for scale] |