21141 - Premium Grade Soft Bodied Xiphosurid (Horseshoe Crab Ancestor) Lower Ordovician Miscellaneous echinoderms Dicranurus sp: Fossilworks (Paleobiology Database)

Name: 21141 - Premium Grade Soft Bodied Xiphosurid (Horseshoe Crab Ancestor) Lower Ordovician Miscellaneous echinoderms Dicranurus sp: Fossilworks (Paleobiology Database)
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SKU 94465240467

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Description

Dicranurus sp: Fossilworks (Paleobiology Database)

From the proximal end to the tip of the distal end

Enchodus subaequilateralis

12 dentary teeth

Congosaurus

21141 - Premium Grade Soft Bodied Xiphosurid (Horseshoe Crab Ancestor) Lower Ordovician Miscellaneous echinoderms Dicranurus sp: Fossilworks (Paleobiology Database)Xiphosurans are an order of arthropods related to arachnids, or, according to one recent study, actually arachnids. They are sometimes called horseshoe crabs (a name applied more specifically to the only extant family, Limulidae). They first appeared in the Tremadocian (Lower Ordovician) from Fezouata Fm in South Morocco. Currently, there are only four living species. They are members of the order Xiphosura, which contains two suborders, Xiphosurida

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