Nagura Gravel Formation
71 distinct taxa, from 122 fossil occurrences the Paleobiology Database records under this name, spanning 3.6–2.6 Mya.
Ryukyu · JP
71 taxa · 122 fossils · 3.6–2.6 MyaFiled under the Sakishima Group. Members recorded: Bunera Clay.
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1 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
- Clypeomorus
- Turritella (Kurosioia) cingulifera
- Dosinia
- Bittium
- Laevicardium
- Pitar
- Cymatium
- Murex
- Nuculana
- Tellina
- Anachis (Costoanachis)
- Anadara
- Chlamys
- Circe
- Cythara (Mangelia)
- Discors
- Fusinus colus
- Laevicardium biradiatum
- Leukoma
- Monoplex pilearis
- Nassarius dorsatus
- Natica
- Ostrea
- Paphia
- Soletellina
- Striarca
- Abra
- Aloidis scaphoides
- Amusium
- Architectonica
- Astele (Callistele)
- Atilia
- Calcar
- Calliostomatidae
- Cardium
- Cerithiopsis
- Chama
- Chlamys (Azumapecten) squamata
- Circe (Redicirce)
- Clavus
The 40 most often recorded, of 71.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.