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Showing results for tags 'iowa'.
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A little over a week ago I moved to Louisiana. On the way down I tried to set aside a little time to stop at a few places and collect. I made a couple short stops at roadcuts south of Minneapolis to some success (brachiopods, rugosa, Flexicalymene, etc.) but the most impressive stop was the Fossil and Prairie Park outside of Rockford Iowa. It's surely well known by collectors in Iowa but I found it by accident while researching my route down. A town that owns it's paleontology history is always nice and the town was beautiful. I wish I had more time to hang around and try the bar o
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Greetings, all! After exploring outcrops and spoils piles from Quebec down to Florida, we are heading west from Delaware to Crawford, Nebraska and back this fall. Planning to stop by Sylvania, OH and Clear Lake, IA. Probably Richmond, IN. Any other suggestions? Thoughts on these three?
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From the album: Devonian
One of the most complete teeth of this kind I've found so far (intact root, just missing two of the cusps). It's remarkably similar to Orhacanth shark teeth from the Permian, being tri-cuspid with the little "button." -
From the album: Devonian
Yes, sharks used to have spines! Xenacanth sharks in the Permian and Hybodont sharks did as well. This is the only shark spine I've seen from the Devonian - if you've got one, would love to see it. -
From the album: Devonian
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I had previously posted this in a Post on a fossil hunting excursion to a Devonian site in Iowa. Since then, the bone has been cleaned up and substantially more bone exposed. I am hoping someone might ID the bone. But probably just a bone chunk! You don't know if you don't ask!!! Mike
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Does anyone know of a good (or even not so good) reference for Pella Formation fossil identification? My searches have proven mostly unsuccessful! Mike
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Russell Wildlife Area (Oskaloosa, Iowa) Blastoids
minnbuckeye posted a topic in General Fossil Discussion
I visited the Russell Wildlife Area in Oskaloosa, Iowa yesterday. It is a series of old mine pits of Pennsylvanian, Pella rock. Reportedly, blastoids are found here. After spending 4 hours looking, I came up empty, at least in regards to the blastoids. Plenty of other marine finds. I am wondering if anyone has possibly visited the area and stumbled onto any blastoids? Is it a needle in the haystack, or was I looking in the wrong rock structure? Just curious in case a return trip ever occurs. @squalicorax, I noticed you hunted the area. Mike -
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I picked up this crinoid filled matrix to put in the children's fossil pit. But as I examined it, I am "imagining" a crinoid crown, albeit, disarticulated. Any thoughts? Am I seeing things? Wishful thinking? Thanks Mike
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Found in Black Hawk County in northeast Iowa. About 5 x 4 x 2cm
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I found this small (~0.5cm in width) bone fragment in Middle/Upper Devonian of Iowa. It has a couple of interesting features that separate it from the usual nondescript bone chunks I find, including many small pores and a pronounced ridge. Hopefully the pictures capture these well. Any thoughts as to what it might be? Maybe a scale of some sort? Thanks.
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Not sure what this is it was found in Iowa
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From the album: Lime Creek Devonian Rockford Iowa
trace fossils. I hadn't really found that much variety in trace fossils from the area. The largest is easily 2 inches in diameter -
Nervostrophia rockfordensis and Nervostrophia camerata
Tetradium posted a gallery image in Members Gallery
From the album: Lime Creek Devonian Rockford Iowa
Left is my entire collection of Nervostrophia rockfordensis. Uncommon, much larger and flatter than the right which is Nervostrophia camerata of which is very abundant and only some are shown here. Nervostrophia camerata is variable in shapes, either having a wing projective that is very distinct from other brachiopods or lacking it entirely. -
From the album: Lime Creek Devonian Rockford Iowa
Devonoproductus walcotti This is is my first of the Productid branch of the brachiopod family tree as none exists in Ordovician. Typically both halves separated. This one is unusual for a brachiopod to me in having two very different textures on separated shell halves. The bottom half is very inflated and easily confused with Nervostrophia. Uncommon. Scattered prickly projective appear on the bottom half while the top part is concave and have many longitude ridges, making me thought it was a clam species. -
From the album: Lime Creek Devonian Rockford Iowa
Cryptonella sp. Classic lamp brachiopod. Uncommon and easily overlooked due to its tiny size. -
From the album: Lime Creek Devonian Rockford Iowa
Strophonelloides sp. Rare - very distinct, resembles Rafinesquina from Ordovician. Fragile as heck too. Even this one in hard shale had cracks and is deformed. -
From the album: Lime Creek Devonian Rockford Iowa
Cyrtina iowaensis uncommon. Easily overlooked due to its tiny size. Only way to tell apart from Tenticospirfier is its coarser ribs. -
From the album: Lime Creek Devonian Rockford Iowa
Tenticospirifer cyrtiniformis - a bit more common than Cyrtina iowaensis. -
From the album: Lime Creek Devonian Rockford Iowa
Nortonechinus primus a sea urchin - I suspects the spines is a bit more common than people thought but still rare. More overlooked due to its small size and resembles broken golf tees. -
From the album: Lime Creek Devonian Rockford Iowa
Paracycias sabini Abundant in some areas - I suspects most folks overlooked them as looking like pebbles. Sources put the two distinct forms - one oval, the other flatter circular into one acceptable species. Shell is rarely preserved with the far most bottom one in the picture a good example -
From the album: Lime Creek Devonian Rockford Iowa
Pterinea husseyi - internal mold. Rare. This bivalve which is the only one I had found so far is related to winged oysters thus its weird shape. The winged part is the NW corner of the shell with its hinges NE part to give a general picture. -
From the album: Lime Creek Devonian Rockford Iowa
Side view of Pterinea husseyi showing hinge lines. -
From the album: Lime Creek Devonian Rockford Iowa
Stromatoporoid
