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Haplophrentis was a creature with a conical shell and fleshy arms / New Burgess Shale fossil site found in B.C.'s Kootenay National Park

Haplophrentis was a creature with a conical shell and fleshy arms / New Burgess Shale fossil site found in B.C.'s Kootenay National Park

polychaete worm / New Burgess Shale fossil site found in B.C.'s Kootenay National Park

polychaete worm / New Burgess Shale fossil site found in B.C.'s Kootenay National Park

BURMEISTERIA armatus

BURMEISTERIA armatus

Burgess Shale

Burgess Shale

Ottoia

Ottoia

Massive fossil deposit found in Canada’s Kootenay National Park--In over 100 years of research, approximately 200 animal species have been identified at the original Burgess Shale discovery in Yoho National Park in over 600 field days. In just 15 days of field collecting, 50 animal species have already been unearthed at the new Kootenay National Park site.

Massive fossil deposit found in Canada’s Kootenay National Park--In over 100 years of research, approximately 200 animal species have been identified at the original Burgess Shale discovery in Yoho National Park in over 600 field days. In just 15 days of field collecting, 50 animal species have already been unearthed at the new Kootenay National Park site.

アミスクウィア Amiskwia sagittiformis 体長:2センチほど amiskwia_2010_06.jpg 一見して、現生のクリオネ風。 クリオネは貝殻を持たない肉食の貝の仲間(軟体動物)ですが、このアミスクウィアの場合、未だに、どこの誰なのか、分類上の定説は定まっていないようです。

アミスクウィア Amiskwia sagittiformis 体長:2センチほど amiskwia_2010_06.jpg 一見して、現生のクリオネ風。 クリオネは貝殻を持たない肉食の貝の仲間(軟体動物)ですが、このアミスクウィアの場合、未だに、どこの誰なのか、分類上の定説は定まっていないようです。

Burgess Shale Fault | Yoho National Park, British Columbia, Canada.

Burgess Shale Fault | Yoho National Park, British Columbia, Canada.

Burgessia

Burgessia

From the Burgess Shale.

From the Burgess Shale.

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