alb3836145

Burgess Shale chordate

Lateral reconstruction of the primitive chordate, Pikaia gracilens, from the Middle Cambrian Burgess Shale of British Columbia. With the presence of a notochord along its back, this small worm-like precursor to the vertebrates is the earliest known representative of the phylum to which humans belong. The size averages about 4 cm. long.
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Titel:
Burgess Shale chordate
Lateral reconstruction of the primitive chordate, Pikaia gracilens, from the Middle Cambrian Burgess Shale of British Columbia. With the presence of a notochord along its back, this small worm-like precursor to the vertebrates is the earliest known representative of the phylum to which humans belong. The size averages about 4 cm. long.
Bildnachweis:
Album / Science Source / Chase Studio
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Model: Nein - Eigentum: Nein
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Bildgröße:
5074 x 3127 px | 45.4 MB
Druckgröße:
43.0 x 26.5 cm | 16.9 x 10.4 in (300 dpi)