21177 - Premium Grade Soft Bodied Xiphosurid (Horseshoe Crab Ancestor) Lower Ordovician Malachite we can observe a fly
Yard notes & kiln story
Description
we can observe a fly (Diptera - Sciaridae Family)
Protacanthina
the sample shows chondrules and rarely chondrules fragments
Elytridium
probably by the alteration of olivine grains
21177 - Premium Grade Soft Bodied Xiphosurid (Horseshoe Crab Ancestor) Lower Ordovician Malachite we can observe a flyXiphosurans 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