Matanuska Formation
93 distinct taxa, from 289 fossil occurrences the Paleobiology Database records under this name, spanning 113–66 Mya.
Alaska · US
93 taxa · 289 fossils · 113–66 MyaMembers recorded: 4, 3.
Macrostrat dates this rock 121–66 Ma. Macrostrat’s own record
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38 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
- Inoceramus schmidti
- Inoceramus subundatus
- Diplomoceras cylindraceum
- Gaudryceras tenuiliratum
- Hypophylloceras (Neophylloceras) hetonaiense
- Pachydiscus (Pachydiscus) kamishakensis
- Inoceramus
- Hypophylloceras (Neophylloceras) ramosum
- Patagiosites alaskensis
- Pseudophyllites indra
- Pachydiscus (Neodesmoceras) obsoletiformis
- Pachydiscus (Pachydiscus) ootacodensis
- Baculites occidentalis
- Desmoceras (Pseudouhligella)
- Desmoceras (Pseudouhligella) japonicum
- Desmophyllites diphylloides
- Didymoceras hornbyense
- Fresvillia teres
- Gaudryceras (Gaudryceras) denseplicatum
- Grantziceras affine
- Anapachydiscus nelchinensis
- Freboldiceras singulare
- Hamitidae
- Inoceramus (Inoceramus) cuvierii
- Mesopuzosia
- Neophylloceras
- Sciponoceras
- Tetragonites glabrus
- Yezoites puerculus
- Zelandites inflatus
- Anagaudryceras sacya
- Arcthoplites (Subarcthoplites) talkeetnanus
- Callianassa
- Grantziceras glabrum
- Mesopuzosia indopacifica
- Mytiloides stantoni
- Pachydiscus
- Sphenoceramus elegans
- Acila
- Anthophyta
The 40 most often recorded, of 93.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.