DPS Ammonite Posted June 17, 2017 Share Posted June 17, 2017 (edited) I collected these silicified stromatoporoids from the Devonian, Frasnian Age, Martin Formation north of Payson, Arizona. The spires are 2-4 mm high and have bases 1 to 1.5 mm wide. Hexagonaria and Pachyphyllum corals occur with these. The first photo may be a difference species from the last photos since the spires are lower. Any idea what species these stromatoporoids might be? Edited November 29, 2020 by DPS Ammonite My goal is to leave no stone or fossil unturned. See my Arizona Paleontology Guide link The best single resource for Arizona paleontology anywhere. Link to comment Share on other sites More sharing options...
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