Where: Howard County, Texas (32.2° N, 100.2° W: paleocoordinates 4.8° N, 39.2° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Colorado City Formation (Dockum Group), Carnian to Carnian (237.0 - 208.5 Ma)
• At approximately the same stratigraphic level as nearby "Otis Chalk" quarries
• bed-level stratigraphic resolution
Environment/lithology: fluvial-lacustrine; red siltstone
Size classes: macrofossils, mesofossils
Collected in 1954, 1963; reposited in the AMNH
Collection methods: quarrying,
Primary reference: B. Schaeffer. 1967. Late Triassic fishes from the western United States. Bulletin of the American Museum of Natural History 135(6):285-342 [R. Butler/R. Butler]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 135713: authorized by Richard Butler, entered by Richard Butler on 05.11.2012, edited by Bryan Gee
Creative Commons license: CC BY (attribution)
Taxonomic list
Osteichthyes | |
Palaeonisciformes indet. Hay 1902 AMNH 5720, 5662, material potentially representing 2-3 unnamed species
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Lasalichthys hillsi, "? Synorichthys stewarti" = Lasalichthys stewarti, Lasalichthys otischalkensis n. sp., Cionichthys greeni n. sp.
Lasalichthys otischalkensis n. sp. Gibson 2018 NMMNH P-44698 (holotype); TMM 31098-44, NMMNH P-78661 (paratypes); NMMNH P-78662, NMMNH P-78663, NMMNH P-78664, NMMNH P-78665, NMMNH P-78666, NMMNH P-78667, NMMNH P-78668, NMMNH P-78669, NMMNH P-78670, NMMNH P-78671
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