Blackstone Formation
175 distinct taxa, from 260 fossil occurrences the Paleobiology Database records under this name.
The Paleobiology Database files this name in 2 countries. That can be one body of rock crossing a border, or two rocks that happen to share a name. The database does not say which, so nothing below is added across them.
Queensland · AU
153 taxa · 212 fossils · 227–206 MyaFiled under the Ipswich Coal Measures Group. Members recorded: Striped Bacon Seam.
Macrostrat places this rock in the Brassal Subgroup, in the Ipswich Coal Measures Group, and dates it 237–227 Ma. Macrostrat’s own record
Loading coastlines…
2 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
- Mesopsyche triareolata
- Ginkgo
- Ipsvicia jonesi
- Taeniopteris
- Ipsviciopsis elegans
- Mesocixiodes termioneura
- Thinnfeldia
- Ademosyne olliffi
- Eurymelidium australe
- Mesojassus ipsviciensis
- Mesonirvana dmitryi
- Mesoscytina australis
- Osmylopsychops spillerae
- Rhaphidopteris
- Ademosyne major
- Ademosynoides minor
- Blattodea
- Carsburgia knezouri
- Gondwanoperlidium triassicum
- Mesodiphthera grandis
- Mesojassus australis
- Mesolobites quadripartita
- Mesophlebia antinodalis
- Mesorthopteron locustoides
- Mesostigmodera typica
- Proparagryllacris crassifemur
- Scolecopteris
- Sphenopteris
- Thinnfeldia indica
- Triassopsychops superbus
- Umkomasia
- Ademosyne adunca
- Ademosyne australiensis
- Ademosyne brevis
- Ademosyne cameroni
- Ademosyne congener
- Ademosyne curvata
- Ademosyne intermedia
- Ademosyne lata
- Ademosyne parva
The 40 most often recorded, of 153.
Alberta · CA
22 taxa · 48 fossils · 94–90 MyaMembers recorded: Haven, Opabin, Vimy.
Macrostrat places this rock in the Alberta Group, and dates it 104–91 Ma. Macrostrat’s own record
Loading coastlines…
7 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
- Collignoniceras woollgari
- Scaphites patulus
- Collignoniceras
- Gastropoda
- Inoceramus
- Inoceramus fragilis
- Inoceramus lamarcki
- Mytiloides labiatus
- Pteria
- Scaphites
- Scaphites arcadiensis
- Anomia
- Baculites
- Cordiceramus cordiformis
- Inoceramus apicalis
- Inoceramus costellatus
- Metoicoceras
- Ostrea
- Ostrea congesta
- Scaphites delicatulus
- Watinoceras
- Watinoceras reesidei
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.