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.
Wiwaxia’s affinity has been a matter of debate: researchers were long split between two possibilities. On the one hand, its rows of scales looked superficially similar to certain scale worms (annelids); conversely, its mouthparts and general morphology suggested a relationship to the shell-less molluscs. More recently, evidence for a molluscan affinity has been accumulating, based on new details of Wiwaxia’s mouthparts, scales, and growth history.
This article concentrates on the species Wiwaxia corrugata, which is known from hundreds of complete specimens in the Burgess Shale; other species are known only from fragmentary material or limited sample sizes.
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You know, my wife still respects me even though I really misuse her
I am having an affair with the Random computer
Don't you know I'm a 2,000 man
And my kids, they just don't understand me at all
Oh daddy, proud of your planet, oh mommy, proud of your sun
Oh daddy, proud of your planet, oh mommy, proud of your sun
Oh daddy, your brain's still flashin' like they did when you were young
Or did they come down crashin' seeing all the thing's you'd done
Spacin' out havin' fun
Oh daddy, proud of your planet, oh mommy, proud of your sun
Oh daddy, proud of your planet, oh mommy, proud of your sun
Oh daddy, your brain's still flashin' like they did when you were young
Or did they come down crashin' seeing all the thing's you'd done
Spacin' out havin' fun
Don't you know I'm a 2,000 man
And my kids, they just don't understand me at all
Don't you know I'm a 2,000 man
And my kids, they just don't understand me at all
Understand me, understand me, understand me
Don't you know I'm a 2,000 man
And my kids, they just don't understand me at all
Don't you know I'm a 2,000 man
And my kids, they just don't understand me at all
I'm a 2,000 man, I'm a 2,000 man
I'm a 2,000 man, I'm a 2,000 man