21471 - NWA Unclassified Chondrite Meteorite H Type 26.2g Polished Section Megistaspidella triangularis fluvial (5)

fluvial (5)

His suture lines are wonderfully well detailed

filter-feeding appendage of Aegirocassis is considerably more complex and sophisticated than that of Tamisiocaris and may herald a shift in the Early Ordovician to large-scale filter feeding in the oceans

o Digital camera: Photometrics CoolSNAPcf

UNM) The etched surface of this pallasite shows approximately 98% of the metal consisting of very fine-grained (<1 μm) plessite

21471 - NWA Unclassified Chondrite Meteorite H Type 26.2g Polished Section Megistaspidella triangularis fluvial (5)The authenticity of this specimen is guaranteed by the geologist Juan Avils Poblador, member of International Meteorite Collectors Association (IMCA 5681).