Large (42 mm) Helicoplacoid Helicoplacus gilberti, from the Middle Member of the Lower Cambrian Poleta Formation (Atdabanian) at Westgard Pass in the White-Inyo Mountains of California.
Camptostroma roddyi, 25 mm (on slab with two others, one 28 mm, the other 22 mm), Lower Cambrian edrioasteroid, Kinzers Formation, Lancaster county, Pennsylvania. Discrete arms directed downwards are visible in the lower portion of the image and another arm extending upwards at the top right part of the image.
Cothurnocystis bifida. 17 mm stylophoran, Wheeler Shale Formation, Middle Cambrian, Antelope Mountain, House Range, Millard County, Utah.
Chancelloria penctata (32 mm) with two attached solutes, Coleicarpus sprinklei (largest is 25 mm). Middle Cambrian, Wheeler Shale, Millard County, Utah.
The solute Coleicarpus sprinklei (Middle Cambrian, Utah, USA).
Ctenocystoides utahensis. 5 mm homalozoan carpoid, Order Ctenocystoida. Lateral view with dorsal side facing upper left.
Gogia spiralis, 47 mm. Wheeler Formation, Middle Cambrian. House Range, Millard County, Utah, USA.
Ceratocystis perneri Jaekel 1900, 38 mm. Shallow marine siltstone facies, Middle Cambrian, near Skryje, Barrandian Massif, Czech Republic. Carpoid Superorder Stylophora, Order Cornuta.
Another Ceratocystis perneri Jaekel 1900, 5 cm. Calcareous sandstone, basal beds of Eccaparadoxides pusillus Zone, Middle Cambrian. Dloha Dora, Skryje, Barrandian Massif, Czech Republic. My thanks to Paul Hille for this specimen.
Ctenocephalus coronatus, 2 cm and Ceratocystis perneri Jaekel 1900, 2.5 cm. Calcareous sandstone, basal beds of Eccaparadoxides pusillus Zone, Middle Cambrian. Dloha Dora, Skryje, Barrandian Massif, Czech Republic. My thanks to Paul Hille for this specimen.
Lichenoides vadosus Parsley & Prokop 2004. 15 mm calyx. Eccaparadoxides pusillus Zone, early Middle Cambrian, Skryje, Barrandian Massif, Czech Republic. Class Eocrinoidea Jaekel, 1918; Family Lichenoididae, Jaekel, 1918; Genus Lichenoides, Barrande, 1846.
Stromatocystis pentagularis Pompeckj, 1896. 23 mm. Middle Cambrian, Jince, Barrandian Massif, Czech Republic.
Stromatocystis pentagularis Pompeckj, 1896. 23 mm. Middle Cambrian, Jince, Barrandian Massif, Czech Republic.
Stromatocystis pentagularis Pompeckj, 1896, 11 mm on 5 cm matrix. The first edrioasteroid. Middle Cambrian, Jince, Barrandian Massif, Czech Republic.
Trochocystites bohemicus Barrande, 1827. 2 cm carpoid. Middle Cambrian, Jince Formation. Tyrovice-Pod hruskou, Bohemia. Carpoid Order Cincta.
Trochocystites bohemicus Barrande, 1827. 2 cm carpoid. Middle Cambrian, Jince Formation. Tyrovice-Pod hruskou, Bohemia. Carpoid Order Cincta.
