AG4 Formation
42 distinct taxa, from 93 fossil occurrences the Paleobiology Database records under this name, spanning 260–254 Mya.
Southland · NZ
42 taxa · 93 fossils · 260–254 MyaFiled under the Arthurton Group.
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4 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
- Simplicisulcus arthurtonensis
- Capillonia brevisulcus
- Plekonella multicostata
- Attenuatella incurvata
- Maorielasma callosum
- Marinurnula rugulata
- Martiniopsis woodi
- Filiconcha
- Filiconcha auricula
- Lamnaespina transennata
- Mesopunctia microspinosa
- Mytilidesmatella woodi
- Rhynchonellida
- Tomiopsis (Ingelarella) parallela
- Glabrocingulum (Ananias) campbelli
- Lethamia collina
- Maitaia trechmanni
- Notospirifer excelsus
- Plekonella acuta
- Streblochondria orbiculata
- Wairakiella sella
- Ambikella
- Bicarinella bicarinata
- Cancrinella
- Cleiothyridina laqueata
- Echinalosia indica
- Etheripecten striatura
- Fenestellida
- Fletcherithyris
- Horridonia
- Lamnaespina
- Martinia martinezi
- Orthotetidina
- Paucispinauria verecunda
- Peruvispira
- Phricodothyris
- Pustuloplica
- Retispira
- Rhynchonellata
- Stenoscisma
The 40 most often recorded, of 42.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.