TF-244, 2.8 miles south 62˚east of Chappell, San Saba County: Jeffersonian, Texas
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Demospongiae
- Anthaspidellidae
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Archaeoscyphia annulata
(Rigby 1973)
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Gastropoda
- Murchisoniina
- Hormotomidae
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Plethospira sp.
Ulrich and Scofield 1897
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Hormotoma sp.
(Salter 1859)
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Gastropoda
- Euomphalina
- Ophiletidae
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Ophileta sp.
Vanuxem 1842
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Barnesella lecanospiroides n. gen., n. sp.
Bridge and Cloud 1947
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| recombined as Lecanospira lecanospiroides | ||||||||||
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Gastropoda
- Euomphalina
- Raphistomatidae
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Ceratopea sp.
Ulrich 1911
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| operculum | ||||||||||
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Raphistomina sp.
Ulrich and Scofield 1897
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| Ceratopea shell | ||||||||||
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= Ceratopea cf. hami
Yochelson and Bridge 1957
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Wagner 2023 | |||||||||
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Eotomaria sp.
Ulrich and Scofield 1897
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| Ceratopea shell | ||||||||||
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= Ceratopea cf. unguis
Yochelson and Bridge 1957
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Wagner 2023 | |||||||||
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Orospira sp.
Butts 1926
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Gastropoda
- Sinuopeidae
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"Euconia" sp.
Ulrich and Scofield 1897
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Cephalopoda
- Tarphycerida
- Tarphyceratidae
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Moreauoceras milleri
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Cephalopoda
- Endocerida
- Proterocameroceratidae
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Mcqueenoceras sp.
Ulrich and Foerste 1936
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Rostroconchia
- Conocardiida
- Eopteriidae
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Eopteria richardsoni
Billings 1865
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Pojeta and Runnegar 1976 | |||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Texas | County: | San Saba |
| Coordinates: | 31.0° North, 98.5° West (view map) | ||||
| Paleocoordinates: | 21.0° South, 87.9° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Ordovician | Epoch: | Early/Lower Ordovician |
| 10 m.y. bin: | Ordovician 1-2 | ||
| Key time interval: | Jeffersonian | Trilobite zone: | Hintzeia celsaora |
| Age range of interval: | 485.40000 - 470.00000 m.y. ago |
Stratigraphy
| Formation: | Honeycut |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | "limestone" |
| Environment: | carbonate indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Database number: | 56489 | ||
| Authorizer: | P. Wagner | Enterer: | P. Wagner |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2005-11-20 09:44:26 | Last modified: | 2020-06-20 16:15:55 |
| Access level: | the public | Released: | 2005-11-20 09:44:26 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 11505. | J. Bridge and P.E. Cloud. 1947. New gastropods and trilobites critical in the correlation of Lower Ordovician rocks. The American Journal of Science 245:545-559 [P. Wagner/P. Wagner/P. Wagner] |
Secondary references:
| 15811 | P. E. Cloud and V. E. Barnes. 1948. The Ellenburger Group of central Texas. Texas Bureau of Economic Geology Bulletin 4621:1-471 [P. Wagner/P. Wagner/P. Wagner] | |
| 10956 | J. Pojeta and B. Runnegar. 1976. The paleontology of rostroconch mollusks and the early history of the phylum Mollusca. United States Geological Survey Professional Paper 968:1-88 [P. Wagner/P. Wagner/P. Wagner] | |
| 9042 | P. J. Wagner. 2023. Paleozoic Gastropod, Rostroconch, Helcionelloid and Tergomyan Database (2006 - 2023). [P. Wagner/P. Wagner/P. Wagner] |