... assemblages, and the morphological similarity between certain rhombiferan taxa and coeval infested crinoids. The common hemicosmitid rhombiferan Caryocrinites Say, 1825 is widespread throughout the middle Silurian of eastern North America and is herein reported to contain symbiotic (potentially parasitic...

...Figure 6. Oral areas of the Caryocrinitidae. (A) Caryocrinites sensu stricto (= C. ornatus Say, 1825 , type species of Caryocrinites , redrawn after Frest, 1975 , fig. 3a). (B) Paracaryocrinites Chen & Yao, 1993 (= an unnamed species, after Jaekel, 1899 , pl. 18, fig. 4). (C...

...Figure 4 — Caryocrinites ornatus c axes as oriented in an individual element reference frame. Each plate is standardized to be coplanar with the plane of the stereogram, with the exterior surface facing the upper hemisphere and the adoral portion of the plate directed toward the top of the page...

... ambulacral cover plates fixed; but in some instances, the abaxial ambulacral cover plates remain moveable. Additionally, some lineages that possessed a tegmen evolved an oral surface secondarily, likely as an atavism. Based on this restricted definition of a tegmen, the hemicosmitid blastozoan Caryocrinites...

... overgrown by attachment structure of Caryocrinites (Rhombifera). Note that these Caryocrinites attachment structures are more conical and morphologically simple than the branching dendritic radices common to this genus, and that diploporite attachments...

...J. Stocklin; G. Termier; K. Bhattarai GeoRef, Copyright 2004, American Geological Institute. 1977 Asia biostratigraphy carbonate rocks Caryocrinites Chandragiri Crinozoa Cystoidea Echinodermata epizone folds Himalayas Indian Peninsula Invertebrata limestone Mahabharat...

...G. Naud GeoRef, Copyright 2008, American Geological Institute. 1979 Anthozoa Archeoconularia Arthropoda Asaphidae Berenicea Brachiopoda Bryozoa Caryocrinites Ceramopora Chasmatoporella Chitinozoa clastic rocks Cnidaria Coelenterata Corylocrinus Dalmanella Dalmanitina...

.... For example, their figure 6 implies that all triradiate echinoderms have an ambulacral pattern of A, B+C, D+E. This is true of the hemicosmitoid rhombiferans Hemicosmites von Buch, 1840 , Caryocrinites Say, 1825 , Juglandocrinus von Koenen, 1886 , Paracaryocrinites Chen and Yao, 1993...