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Fig. 5 | Swiss Journal of Palaeontology

Fig. 5

From: Kionaster petersonae, n. gen. and sp. (Asteroidea), the first fossil occurrence of the Asterodiscididae, from the Miocene of Florida

Fig. 5

Kionaster petersonae, n. gen. and sp., holotype, Florida Museum of Natural History UF 148379, Chipola Formation, Florida. Scale bars 5 mm. a, dorsal view of entire specimen; b, dorsal view of disk; double-pointed arrows identify outer disk ring abutting 1st SMs; single-pointed arrow to right identifies upturned ossicle in outer ring; two single-pointed arrows toward top identify end-members of five primary circlet (?) ossicles; the base of the left arrow identifies the upended ossicle in the ring of five. Single-point arrow on third of primary circlet (?) identifies centrale (?); c, inclined view of northwest interbrachium of Fig. 5a; arrow here and on Fig. 5d identifies upturned ossicle of Fig. 5b; d, disk and southwest arm of Fig. 5a; e, disk and southeast arm of Fig. 5a; arrows on Fig. 5e–h identify SM and SM/IM marginal pairs; fh, side views of north, south east, and north arms of Fig. 5a showing different expressions of the two marginal series and tuberculate proximal SMs; no intermarginal papular pores can be identified although junctions are partially obstructed

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