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Showing results for tags 'Crinoid Stem'.
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From the album: Lower Carboniferous fossils of Ireland
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Howdy all, Been finding some crinoid stems in my usual spot in the Drakes Formation and I'm wanting an ID on them. They look similar to stems from Agaricocrinus americanus from the Carboniferous of the eastern U.S., though they were found in an upper Ordovician deposit. Any ideas?
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I had the opportunity to spend an afternoon hunting fossils along Highway AA in Northern Kentucky. If one wants to be overwhelmed with road cuts, this is the place to visit! Back to my ID request. I am not sure if it fell down from the overlying Fairview Formation or whether this was Kope. Normally I am not greatly interested in crinoid stems but this one is quite different from the ones I normally find and researching crinoids from this area gave me no answer.
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Hello, I have been finding all sorts of neat rocks and marine fossils in the desert outside of Yuma, Arizona where the Colorado river had once flowed into a large ocean. There seems to be some sort of worm creature fossilized in this stone? I would appreciate an ID on the specimen, or speculation as to what it is? Thank you.
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Encrusted With Mystery: Can Anyone Tell Me What The Pattern Is?
Mediospirifer posted a topic in Fossil ID
I was looking through a bunch of Thylacocrinus stem pieces looking for interesting encrusters for tradebait, and ran across something I didn't notice before. These photos are of 2 different stem pieces: My first thought was Constellaria, but (to my knowledge) that only occurs in the Ordovician, and is much larger. These are Middle Devonian (Kashong Fm.), and the whole image is less than 1 cm across, probably around 6 mm (I didn't have a measure handy). Anyone have any thoughts?- 16 replies
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My neighbor found this specimen in a gravel parking lot at his work in Fort Worth, Texas. Is this a Crinoid stem piece? The hole goes all the way through.
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Assorted Brachiopods, Horn Corals and Crinoid Stem
Bguild posted a gallery image in Member Collections
From the album: Western NY Fossil Hunts
Assorted Brachiopods, Horn Corals and Crinoid Stem Devonian Hamburg, NY Found 2019-
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crinoid stem, ichnofossils, and maybe a hyolith at Etobicoke Creek?
Monica posted a topic in Fossil ID
Hi all! Yesterday afternoon I visited my local haunt (Etobicoke Creek, Georgian Bay Formation, Upper Ordovician) with the kids, and I found a few items that I'd like to show you: Item #1: long crinoid stem - any ideas as to its identity? Item #2: big piece with ichnofossils - item circled in yellow is ichnofossil "a" and item circled in orange is ichnofossil "b" Item #2a: ichnofossil "a" top view Item #2: ichnofossil "b" top view Item #2: ichnofossil "b" side view Item #3 top: two views of a mineral stain that has the shape of a hyolith - what do you think? Item #3 bottom: crinoid columnal impressions (I think!) so it is fossiliferous rock (I think!) so perhaps the specimen above could've been a hyolith??? Thanks as usual for your help! Monica- 7 replies
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Hi everyone, I was out on a collecting trip this weekend around the Fern Glenn Fm, St Louis, Missouri. I came across this which I think is Crinoid related but I've never seen one with the little spikes sticking out. It's about 3/8th inch diameter by about 3/16 inch thick. Can anyone give me any ideas of the species. Thank you
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Hi everyone. I have this specimen I picked up at a Fossil show. It looks to me like crinoid Stem very and a Stern impression. It was provided for auction at southern Illinois fossil show which I paid $1 and was provided from a Fossil club somewhere in Southern Illinois. Please could I find out exactly what it is and if my ID is correct. On the other side is a groove about 1 inch long and also head grooves like Stem impressions. Thank you
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When we purchased our home, this large rock was one of many in a rock garden. I have always liked the unusual look of it. There are several brachiopod fragments and what I believe to be crinoid stems and imprints in it. I would like to know which type of rock it is and how the crinoid stem crystallized?
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- middle tennessee
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From the album: MY FOSSIL Collection - Dpaul7
Crinoid Stem Showing Interior Structure SITE LOCATION: Fort Payne Chert Formation, Alabama TIME PERIOD: Mississippian Period ca 350,000,000 yrs old Data: A crinoid stem. Crinoids are marine animals that make up the class Crinoidea of the echinoderms (phylum Echinodermata). The name comes from the Greek word krinon, "a lily", and eidos, "form". They live in both shallow water and in depths as great as 9,000 meters (30,000 ft). Those crinoids which in their adult form are attached to the sea bottom by a stalk are commonly called sea lilies. The unstalked forms are called feather stars or comatulids. Crinoids are characterised by a mouth on the top surface that is surrounded by feeding arms. They have a U-shaped gut, and their anus is located next to the mouth. Although the basic echinoderm pattern of fivefold symmetry can be recognised, most crinoids have many more than five arms. Crinoids usually have a stem used to attach themselves to a substrate, but many live attached only as juveniles and become free-swimming as adults. There are only about 600 extant crinoid species, but they were much more abundant and diverse in the past. Some thick limestone beds dating to the mid- to late-Paleozoic are almost entirely made up of disarticulated crinoid fragments. Kingdom: Animalia Phylum: Echinodermata Class: Cridoidea-
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From the album: MY FOSSIL Collection - Dpaul7
Thick Crinoid Stem in Matrix Fort Payne Chert Formation, Alabama TIME PERIOD: Mississippian Period ca 350,000,000 yrs old Data: A crinoid stem. Crinoids are marine animals that make up the class Crinoidea of the echinoderms (phylum Echinodermata). The name comes from the Greek word krinon, "a lily", and eidos, "form". They live in both shallow water and in depths as great as 9,000 meters (30,000 ft). Those crinoids which in their adult form are attached to the sea bottom by a stalk are commonly called sea lilies. The unstalked forms are called feather stars or comatulids. Crinoids are characterised by a mouth on the top surface that is surrounded by feeding arms. They have a U-shaped gut, and their anus is located next to the mouth. Although the basic echinoderm pattern of fivefold symmetry can be recognised, most crinoids have many more than five arms. Crinoids usually have a stem used to attach themselves to a substrate, but many live attached only as juveniles and become free-swimming as adults. There are only about 600 extant crinoid species, but they were much more abundant and diverse in the past. Some thick limestone beds dating to the mid- to late-Paleozoic are almost entirely made up of disarticulated crinoid fragments. Kingdom: Animalia Phylum: Echinodermata Class: Cridoidea-
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From the album: MY FOSSIL Collection - Dpaul7
Crinoid Stem in Matrix Fort Payne Formation, Alabama Mississippian Period ca 325,000,000 yrs old A crinoid stem in matrix, with other stem sections. Crinoids are marine animals that make up the class Crinoidea of the echinoderms (phylum Echinodermata). The name comes from the Greek word krinon, "a lily", and eidos, "form". They live in both shallow water and in depths as great as 9,000 meters (30,000 ft). Those crinoids which in their adult form are attached to the sea bottom by a stalk are commonly called sea lilies. The unstalked forms are called feather stars or comatulids. Crinoids are characterised by a mouth on the top surface that is surrounded by feeding arms. They have a U-shaped gut, and their anus is located next to the mouth. Although the basic echinoderm pattern of fivefold symmetry can be recognised, most crinoids have many more than five arms. Crinoids usually have a stem used to attach themselves to a substrate, but many live attached only as juveniles and become free-swimming as adults. There are only about 600 extant crinoid species, but they were much more abundant and diverse in the past. Some thick limestone beds dating to the mid- to late-Paleozoic are almost entirely made up of disarticulated crinoid fragments. Kingdom: Animalia Phylum: Echinodermata Class: Cridoidea-
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I'm just not sure what this is.I have a friend that said its a crinoid stem .. but this doesn't look anything at all like a stem that I can see about it. Can someone id this please? I see what appears to be legs on this on both sides. I've found stems before but I've not ever seen this if it is a crinoid stem... ¿¿¿
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From the album: Holzmaden
Detailed image of: http://www.thefossil...94-seirocrinus/- 2 comments
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- Holzmaden
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From the album: Holzmaden
A Crinoid stem (Seirocrinus) from Holzmaden.- 2 comments
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