22 mm complete Triarthrus eatoni with very fine preservation of limbs and antennae. Whetstone Gulf Formation, (younger than Utica Shale Group), Ashgill , Upper Ordovician, near Martinsburg, New York State. Markus Martin preparation. Published in Fossilien, 3/08, pg. 158.

Part of 24 cm slab with 14 cm sponge, numerous Diagoniella-like sponges from 10 to 14 mm long and four orthocones from 1 to 6 cm. Whetstone Gulf Formation, (younger than Utica Shale Group), Ashgill , Upper Ordovician, near Martinsburg, New York State.

Diagoniella-like sponges from 10 to 14 mm long. Whetstone Gulf Formation, (younger than Utica Shale Group), Ashgill , Upper Ordovician, near Martinsburg, New York State.

Pyritized orthocone cephalopod, 32 mm long. Whetstone Gulf Formation, Ashgill , Upper Ordovician, near Martinsburg, New York State.

Asteropyge sp. in ventral view showing limbs and antennae. 45 mm.

Chotecops ferdinandi, 55 mm long, from Bundenbach with antennae and limbs visible. Some of the filamentous gill branches (exopods) have been exposed. Possible ommatidia (individual elements, visual and pigment cells) of the left compound eye are clearly visible.

Palaeoisopus problematicus specimen, 370 mm from arm to arm. Wingertshell Member, Kaub Formation. Peter Hohenstein preparation.

X-Ray image of part of an exceptional Palaeoisopus problematicus specimen, 370 mm from arm to arm. Wingertshell Member, Kaub Formation. Peter Hohenstein preparation.

Vachonisia rogeri, 80 mm in X-Ray image. This specimen is now in the Bonn Institute of Palaeontology.

Mimetaster hexgonalis, 50 mm, ventral view of a large individual showing appendages. Peter Hohenstein preparation. Specimen published in Figure 4 of Hohenstein (2004).

Palaeothea devonica, a very small pycnogonid (sea spider) with the crinoid Bathericrinus hystrix, which is only partly pyritized.

Palaeocucumaria hunsrueckiana Lehman 1958, 80 mm long, clearly showing tentacles. Peter Hohenstein preparation.

X-Ray image of Palaeocucumaria hunsrueckiana.

X-Ray image of Helianthaster rhenanus.

X-Ray image of Medusaster (this individual has pyritized tube feet preserved) and Furcaster.

Baliactis sp. an extremely rare starfish, 55 mm in apical view. Peter Hohenstein preparation.

X-ray of Baliactis sp.

Complete large Codiacrinus schultzei, about 45 cm long if outstretched. Peter Hohenstein preparation and X-Ray.

Detail of X-Ray image, Codiacrinus schultzei.

Rhenocystis latipedunculata. Complete carpoid, 43 mm. Peter Hohenstein preparation. Ventral view in the terminology of the calcichordate interpretation (see Sutcliffe et al. 2000).

X-Ray image of Rhenocystis latipedunculata.

Bundenbachochaeta eschenbachensis 23 mm polychaete worm with the ophiuroid (60 mm) Furcaster palaeozoicus, Wingertshell Member, Kaub Formation, Eschenbach-Bocksburg.

Bundenbachochaeta eschenbachensis 23 mm polychaete worm, detail.

Plectodiscus discoideus. Complete hydromedusan with tentacles, 50 x 40 mm. The trace fossil Chondrites occurs in this specimen. Wingertshell Member, Kaub Formation. Peter Hohenstein preparation.