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Pierre-Yves Boursicot

Pierre-Yves Boursicot


from his collection

Dicroloma myurus (Eudes-Deslongchamps, 1843); Dichotoma subzone, Garantiana zone, Bajocian, middle Jurassic; Bayeux, Calvados, France; Coll. Pierre-Yves Boursicot

Dicroloma lorieri (d'Orbigny, 1850); Dichotoma subzone, Garantiana zone, Bajocian, middle Jurassic; Bayeux, Calvados, France; Coll. Pierre-Yves Boursicot

Dicroloma cochleata (Quenstedt, 1858); Pseudopeltoceras leckenbyi horizon, upper Callovian, middle Jurassic; Montreuil-Bellay, Maine-et-Loire, France; 25 mm; Coll. Pierre-Yves Boursicot

Myurusina herinacea (Piette, 1867); Pseudopeltoceras leckenbyi horizon, peltoceras athleta zone, upper Callovian, middle Jurassic; Montreuil-Bellay, Maine-et-Loire, France; 43 mm; Coll. Pierre-Yves Boursicot

Pietteia seminudum (Hebert & Deslongchamps, 1860); Athleta zone, Trezeense subzone, Leckenbyi horizon, upper Callovian, middle Jurassic; Montreuil-Bellay, Maine-et-Loire, France; Coll. Pierre-Yves Boursicot

Bicorempterus cf. pellati (Piette, 1867); Leckenbyi horizon, Athleta zone, upper Callovian, middle Jurassic; Montreuil-Bellay, Maine-et-Loire, France; 20 mm (without siphonal canal); Coll. Pierre-Yves Boursicot

Bicorempterus cf. pellati (Piette, 1867); Leckenbyi horizon, Athleta zone, upper Callovian, middle Jurassic; Montreuil-Bellay, Maine-et-Loire, France; Coll. Pierre-Yves Boursicot

Alaria cf. dumortieri (Piette, 1891); Hildoceras bifrons zone, Lusitanicum horizon, Toarcian, lower Jurassic; Mauzé-Thouarsais, Deux-Sèvres, France; 23mm whith spines; Coll. Pierre-Yves Boursicot

Spiniloma longispina (Eudes-Deslongchamps, 1843); Bomfordi subzone, Parkinsoni zone, upper Bajocian, middle Jurassic; Bayeux, Calvados, France; 33 mm; Coll. Pierre-Yves Boursicot

Spiniloma longispina (Eudes-Deslongchamps, 1843); Bajocian, middle Jurassic; Bayeux, Calvados, France; Coll. Pierre-Yves Boursicot

Spiniloma compressa (d'Orbigny, 1850); Pseudopeltoceras leckenbyi horizon, upper Callovian, middle Jurassic; Montreuil-Bellay, Maine-et-Loire, France; 45 mm; Coll. Pierre-Yves Boursicot

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