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Showing results for tags 'lumbricaria'.
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Diagnosis by Kietzmann & Bressan, 2019: Lumbricaria with elongate, bending strings showing overlapping of different parts throughout its length. Cylindrical cross-section. Locally, short segments can appear straight (based on the description emended by Janicke 1970). Lumbricaria is a trace fossil which is interpreted as the fossilized excrement (coprolite) of cephalopods. This trace genus (Ichnogenus) occurs in the Solnhofen plate limestones and various other similar plate lime occurrences. In the Solnhofen plate limestones, it belongs to the relatively frequent fossils.
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From the album: Trace Fossils
2cm. diameter. Appropriately named member of the Faecichnia (Coprolites), in this case from a fish. Riedense subzone Hybonetum zone Upper Solnhofen Plattenkalk Early Tithonian, Late Jurassic Site: One of the many abandoned quarries in the area around Eichstaett, Bavaria, Germany. -
Last weekend I used my free time to visit two locations in the area of Solnhofen. Solnhofen is quite a famous fossil location, so many of you will probably know it. During the Late Jurassic, this area was an archipelago at the edge of the Tethys Sea and it preserves a rare assemblage of fossilized organisms. The most famous fossil from there is the Archaeopteryx. At the beginning I was very unsure if it really make sense to visit that location, because I often heard bad things like that its very hard to find something there . And I have to say that it was indeed very hard to find something but nonetheless I found a few fossils and it was much fun. I was firstly for about 3 hours in the visitor quarry Blumenberg. Here is the quarry: It makes sense to bring a shovel with you because you firstly have to put away all the debris before you can extract larger plates. The most common fossil there is the crinoid Saccocoma. Here are some examples: (about 2 cm big) Another very common fossil are coprolites from fishes/ammonites. They are called Lumbricaria: (3-4 cm long)
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Urchin Feeding Trace next to Lumbricaria - Solnhoffen Limestone, Germany
GeschWhat posted a gallery image in Member Collections
From the album: Double Duty
Although this isn't really a fossil within a fossil, it is a trace fossil next to another trace fossil. In the circled area just above a rather substantial pile of coprolite, is what is thought to be a feeding trace left by a sea urchin. Long, stringy coprolites such as those show are classified Lumbricaria intestinum, which comes from the Latin word lumbricus, meaning "earthworm." They are thought to have originated from cephalopods including squid, ammonites, and cuddlefish. The modern octopus produces similar fecal extrusions. Age: Jurassic - Kimmeridgian Formation: Solnhofen Limestone (Plattenkalk) Location: Eichstätt, Bavaria, Germany© ©
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Hi all, I came across this tiny star shaped ichnofossil while prepping Lumbricaria I recently received. It measures about 2 mm across. I know something like it was posted on the forum not that long ago, but I can't seem to find it. Do you think it's an ichnofossil or just a mineral deposit? I have included photos of the Lumbricaria as well, including some micros of what I think are partially digested pieces of brachial segments. As always, thanks for your help!
