Shucaris

	Shucaris ''Shucaris'' ( ; meaning "Shu's shrimp") is a genus of radiodont of uncertain taxonomic placement from the Lower Cambrian Maotianshan Shales in Yunnan, South China. The type and only species is ''S. ankylosskelos'', known from multiple specimens comprising frontal appendages, multiple endites, gnathobase‐like structures, a nearly complete body, a head carapace complex, and one body flap associated with setal blades. Description ''Shucaris'' is known from multiple specimens which were all referred to ''S''. ''ankylosskelos'' by Wu ''et al.'' (2024). The holotype, JS-0972B, consists of an isolated frontal appendage. The paratypes, JS-1950 and JS-0658, comprise a nearly complete body specimen, and one partial disarticulated assemblage of a frontal appendage, gnathobase-like structures, an oral cone, portions of the head sclerites, and a flap associated with setal blades, respectively. Appendage morphology File:20240904_Radiodonta_frontal_appendage_Shucaris_ankylosskelos.png ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
picture info	Radiodonta Radiodonta is an extinct Order (biology), order of stem-group arthropods that was successful worldwide during the Cambrian period. Radiodonts are distinguished by their distinctive frontal appendages, which are morphologically diverse and were used for a variety of functions. Radiodonts were among the earliest large predators, but they also included sediment sifters and filter feeders. Some of the most famous species of radiodonts are the Cambrian taxa ''Anomalocaris, Anomalocaris canadensis'', ''Hurdia, Hurdia victoria'', ''Peytoia nathorsti'', ''Titanokorys gainesii, Titanokorys gainesi, Cambroraster, Cambroraster falcatus'' and ''Amplectobelua, Amplectobelua symbrachiata''. The later surviving members include the subfamily Aegirocassisinae from the Early Ordovician of Morocco and the Early Devonian member ''Schinderhannes bartelsi'' from Germany. Etymology The name Radiodonta (Latin for ''radius'' "spoke of a wheel" and Greek for ''odoús'' "tooth") refers to the radial arrang ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
picture info	Radiodont Radiodonta is an extinct order of stem-group arthropods that was successful worldwide during the Cambrian period. Radiodonts are distinguished by their distinctive frontal appendages, which are morphologically diverse and were used for a variety of functions. Radiodonts were among the earliest large predators, but they also included sediment sifters and filter feeders. Some of the most famous species of radiodonts are the Cambrian taxa ''Anomalocaris canadensis'', '' Hurdia victoria'', ''Peytoia nathorsti'', '' Titanokorys gainesi, Cambroraster falcatus'' and '' Amplectobelua symbrachiata''. The later surviving members include the subfamily Aegirocassisinae from the Early Ordovician of Morocco and the Early Devonian member '' Schinderhannes bartelsi'' from Germany. Etymology The name Radiodonta (Latin for ''radius'' "spoke of a wheel" and Greek for ''odoús'' "tooth") refers to the radial arrangement of tooth plates (oral cone) surrounding the mouth, although this feature is su ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
picture info	2024 In Arthropod Paleontology 2024 in arthropod paleontology is a list of new arthropod fossil taxon, taxa, including arachnids, crustaceans, trilobites, and other arthropods (except insects, which have 2024 in paleoentomology, their own list) that were announced or binomial nomenclature, described, as well as other significant arthropod paleontology, paleontological discoveries and events which occurred in 2024. Chelicerates Arachnids Araneae = Araneological research = * Córdova-Tabares ''et al.'' (2024) describe a sac spider specimen from the Mexican amber preserved with an ant belonging to the genus ''Azteca (ant), Azteca'', providing evidence of a fossil spider showing trapping and feeding behavior seen also in its extant relatives. Ixodida Opiliones = Opiliones research = * Gainett ''et al.'' (2024) report that extant daddy longlegs have six eyes, including four vestigial ones, and reevaluate the affinities of Tetrophthalmi, fossil members of Opiliones with four eyes, resulting in older ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]