†order Protoconodontida Landing 1995 (arrow worm)

Protoconodontida

Parent taxon: Chaetognatha according to J. J. Sepkoski 2002

Sister taxa: Eognathacantha, Paucijaculum, Protoconodonta, Titerina

Subtaxa: Amphigeisina Ganloudina Gapparodus Glauderia Kijacus

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Ecology: nektonic carnivore

Distribution:

• Cambrian of Canada (2: Nova Scotia collections), China (12), Denmark (2), India (1), Kazakhstan (12), Kyrgyzstan (2), the Russian Federation (8), Sweden (3), the United Kingdom (9)

Total: 51 collections including 65 occurrences

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