Weches Formation
440 distinct taxa, from 1,651 fossil occurrences the Paleobiology Database records under this name, spanning 59–38 Mya.
Texas, Louisiana, Mississippi · US
440 taxa · 1,651 fossils · 59–38 MyaFiled under the Claiborne Group. Members recorded: Viesca, Seguin, Tyus.
Macrostrat places this rock in the Claiborne Group, and dates it 43–40 Ma. Macrostrat’s own record
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53 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
- Gemmula (Coronia)
- Turritella
- Surculoma
- Clavilithes
- Pleurofusia
- Vokesula smithvillensis
- Pyramidella
- Trigonostoma
- Athleta
- Venericardia
- Architectonica
- Dolicholatirus
- Galeodea
- Levifusus
- Architectonica (Stellaxis) alveatum
- Lyrosurcula
- Raphitoma
- Bullia
- Calorhadia
- Latirus
- Nemocardium
- Sinum
- Athleta petrosa
- Calyptraea (Trochita) aperta
- Cochlespira
- Ectinochilus texanum
- Murex
- Pitar
- Polinices
- Protosurcula
- Pseudoliva vetusta
- Bonellitia
- Eopleurotoma
- Ficus
- Pseudoliva
- Tropisurcula (Eodrillia)
- Acteon
- Brachidontes
- Caricella
- Caryocorbula
The 40 most often recorded, of 440.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.