Tag: horseshoe crab
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Mazon Monday #300: Mazon Creek horseshoe crab fossil shows evidence of ancient algal or parasitic infestation
This is Mazon Monday post #300. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. The Lauer Foundation just won’t let the Mazon Creek horseshoe crabs alone… first it was Euproops danae remains in bromalites (see Mazon Monday #283), now they’ve found evidence of ancient algal or parasitic infestation in another Euproops danae fossil from the…
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Paleontologist Discovers First Known Silurian Horseshoe Crab
SciNews has an article about the discovery of a horseshoe crab fossil in the Silurian. Horseshoe crabs are known from the late Ordovician, but there was a gap of 80 million years from the Devonian. This animal, Ciurcalimulus discobolus, lived about 424 million years ago. It was collected by Samuel J. Ciurca in 1975 from the Kokomo Member…
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Mazon Monday #248: Paleolimulus mazonensis
This is Mazon Monday post #248. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. There are currently 3 recognized species of horseshoe crab known from the Mazon Creek deposit – Euproops danae, Paleolimulus sp., and Liomesaspis laevis. Euproops danae is the most commonly found species. Until 2022, Paleolimulus was largely undescribed. In 2022,…
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Mazon Monday #21: Euproops danae
This is Mazon Monday post #21. What’s your favorite Mazon Creek fossil? Tell us at email:esconi.info@gmail.com. Euproops was a horseshoe crab. There are two species of horseshoe crab found in the Mazon Creek biota, Euproops danae (common) and Paleolimulus sp. (extremely rare). Both are known from other Carboniferous fossil localities around the world. As you…
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New 245 Million Year Old Horseshoe Crab Discovered in Idaho by ESCONI Member
Live Science has a story about a new species of horseshoe crab. The crab lived during the Triassic Period about 245 million years ago. It was discovered by ESCONI member Trick Runions and is called Vaderlimulus tricki. The name stems from the shape of the head shield, which resembles the helmet worn by Darth Vader…
