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Showing results for tags 'pleurodictyum'.
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From the album: Misha's Middle Devonian Fossils
Pleurodictyum americanum Tabulate coral Givetian Moscow Fm. Hamilton Group DSR -
Here is a reconstruction of the orthocerid Striacoceras typum, eating one of the last surviving Eldredgeops rana trilobites. Two Botryocrinus crinoids wave in the current, and a colony of Pleurodictyum feeds on planctonic organisms.
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A reconstruction of the Mahantango Formation
Bringing Fossils to Life posted a topic in Paleo Re-creations
I just finished a reconstruction of the Mahantango ecosystem, based off of fossils I have found at corresponding sites. This certainly does not cover all species in this formation, but many of the most prominent (Sorry no Dipleura, haven't done that one yet). I recently learned about Striacoceras and re-identified many of my orthocerids as this obscure genus. Striacoceras is the brown orthocone in the background. I included two crinoid genera, (left to right) Ancyrocrinus and Botryocrinus. an Eldredgeops searches for prey. There are several Mucrospirifer brachiopods, some Orthonota bivalves, a couple ammonoids (Tornoceras and Agoniatites), and some Pleurodictyum coral. In the distance, a shoal of Bactrites drifts. This is one of my first entire ecosystems.- 5 replies
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- agoniatites
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From the album: Lower Devonian Helderberg Group in Eastern NY
Pleurodictyum lenticularis from the Kalkberg formation. -
Taxonomy from GBIF.org Description from Südcamp 2017, p. 34: "The colonies of this tubulate coral are more or less circular in outline. The lower side shows concentric growth lines that give it a wrinkled appearance. The upper side reveals the polygonal form of the corallites, which is often hexagonal. The corallites are of different sizes and the thick walls are perforated by pores. Tabulae are usually absent. This gives the colony the appearance of a series of cavities." Identified by oilshale using Südkamp 2017. References: Südkamp, W. (2017) Life in the Devonian. Identification book Hunsrück Slate fossils. Verlag Dr. Friedrich Pfeil, München.
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