Polychaetaspidae Kielan-Jaworowska, 1966
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publication ID |
https://doi.org/ 10.4202/app.2012.0120 |
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persistent identifier |
https://treatment.plazi.org/id/03CA7A6A-1B74-132E-B8B7-64ECB95BF900 |
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treatment provided by |
Felipe |
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scientific name |
Polychaetaspidae Kielan-Jaworowska, 1966 |
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Family Polychaetaspidae Kielan-Jaworowska, 1966 View in CoL
Remarks. —Scolecodonts of the family are very common in the Ordovician and Silurian. They still occur in the Devonion and Carboniferous but are not so abundant. They are well known from joined and reconstructed jaw apparatuses of the genera: Polychaetaspis Kozłowski, 1956 , Kozlowskiprion Kielan-Jaworowska, 1966 , Dubichaetaspis Eriksson, 1998 and Incisiprion Hints, 1998 , as well as from many detached jaws described under different generic names. Similar jaw apparatuses to those of polychaetaspids are possessed also by the genus Polychaetura Kozłowski, 1956 (according to Hints and Eriksson [2010] younger synonym of Pteropelta Eisenack, 1939 ) but because of their distinct bifurcating carriers Kielan-Jaworowska (1966) established separate family Polychaeturidae . The relationship problem of the two families has been recently discussed by Hints and Eriksson (2010).
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