Four Mile Dam Formation
34 distinct taxa, from 38 fossil occurrences the Paleobiology Database records under this name, spanning 388–382 Mya.
Michigan · US
34 taxa · 38 fossils · 388–382 MyaFiled under the Traverse City Group. Members recorded: Upper Limestone Unit, Dock Street Clay.
Macrostrat places this rock in the Traverse Group, and dates it 384 Ma. Macrostrat’s own record
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3 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
- Douvillina
- Striatopora
- Thamnopora
- Thamnopora magniventra
- Acanthodii
- Atribonium pingue
- Atribonium simatum
- Basidechenella pulchra
- Denayella bella
- Dictyobembix bella
- Euthyrhachis indianense
- Floweria anomala
- Genuspira nodosa
- Leptalosia
- Macropetalichthys
- Mucrospirifer
- Murchisonia (Murchisonia) subulata
- Mylostoma
- Naticopsis
- Orthonychia variablis
- Palaeoscurria
- Pentamerella
- Petrochus conica
- Petrochus mellaria
- Placodermi
- Protitanichthys rockportensis
- Protoleptostrophia
- Rutkowskicrinus collieri
- Rutkowskicrinus patriciae
- Spinyplatyceras bartlettense
- Straparollus (Philoxene)
- Strophomena (Strophodonta)
- Turbinilopsis anacarina
- Vladanella lirata
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.