Redlichiida
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Redlichiida is an order of trilobites, a group of extinct marine arthropods. Species assigned to the order Redlichiida are among the first trilobites to appear in the fossil record, about halfway duri
特力斯多寒武智慧蟲化石
Olenellus chiefensis, suborder Olenellina, showing the visual surface has broken away, the lack of dorsal sutures, and the enlarged pleurae of the 3rd thorax segment from the front
Cambrian
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The Cambrian is the first geological period of the Paleozoic Era and the Phanerozoic Eon. The Cambrian lasted 51.95 million years from the end of the preceding Ediacaran period 538.8 Ma to the beginni
Redlichiida
…Redlichiida Temporal range: Cambrian Stage 3 – Middle Cambrian, Cambropallas telesto, from Morocco Scientific classification Domain: Eukaryota Kingdom: Animalia Phylum: Arthropoda Class: †Trilobita Order: †Redlichiida…
Ediacaran–Cambrian boundary section at Fortune Head, Newfoundland, GSSP
Diorama of the Burgess Shale Biota
Archeocyathids from the Poleta formation in the Death Valley area
Stromatolites of the Pika Formation (Middle Cambrian) near Helen Lake, Banff National Park, Canada