300 m.y. Euproops mariae Crônier & Courville, 2004. from the Upper Carboniferous of the Graissessac Basin (Massif Central, France). Euproops rotundatus...

but 1 less than the holaspis), holaspis (=adult) Arthropoda: Xiphosura euproöps larva ("trilobite larva") Arthropoda: Pycnogonida protonymphon Crustaceans...

specimens of extant (Limulus polyphemus, Tachypleus tridentatus) and fossil (Euproops danae, Mesolimulus walchi) horseshoe crabs, and compare injuries to horseshoe...

Euproops danae...

declared a National Historic Landmark in 1965. The fossil horseshoe crab Euproops danae Dana Peak in Alaska. Howlite European and American voyages of scientific...

Euproops danae...

Ordovician Period, more than 440 million years ago, and late Paleozoic Euproops fossils indicate that they have changed little over the last 300 million...

Anacontium Raymond, 1944 Andersoniella Lamsdell, 2020 Belinurus Bronn, 1839 Euproops Meek, 1867 Liomesaspis Raymond, 1944 Patesia Bicknell & Smith, 2021 Prestwichianella...

 United States A member of the family Belinuridae. The type species is "Euproops" longispina Packard (1885). Batracholimulus Gen. et comb. nov Valid Lamsdell...

species of Tyrannophontes. Dithyrocaris D. rolfei A large phyllocarid shrimp Euproops E. sp. A rare xiphosuran (early horseshoe crab) Ostracoda indet. Indeterminate...

lacustrine fauna from one of its shell beds, including the horseshoe crab Euproops danae. The unit was first named by Lloyd C. Pray in 1954 and a type section...

system in a specimen of Euproops danae from the Carboniferous Mazon Creek fossil beds (Illinois, United States). A specimen of Euproops danae preserving anatomical...

ontogenetic changes in prosomal morphology in Carboniferous horseshoe crab Euproops danae is published by Tashman, Feldmann & Schweitzer (2019). A study on...