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词汇 Wiwaxia
分类 英语词汇 英语翻译词典
释义

Wiwaxia

英语百科

Wiwaxia

Computer reconstruction of juvenile Wiwaxia corrugata individual. Chequers represent 1 mm. Source: Smith (2013)[10]Computer reconstruction of adolescent Wiwaxia corrugata individual. Chequers represent 1 mm.Source: Smith (2013)[10]Computer reconstruction of mature Wiwaxia corrugata individual. Chequers represent 1 mm.Source: Smith (2013)[10]

Wiwaxia is a genus of soft-bodied animals that were covered in carbonaceous scales and spines. Wiwaxia fossils – mainly isolated scales, but sometimes complete, articulated fossils – are known from early Cambrian and middle Cambrian fossil deposits across the globe. The living animal would have measured up to 5 cm (2 inch) when fully grown, although a range of juvenile specimens are known, the smallest being 2 millimetres (0.079 in) long.

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