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About: Protohertzina     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : dbo:Species, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: ThingEukaryoteAnimalanimaleukaryotespecies New Facet based on Instances of this Class

Protohertzina is a genus of conodonts (protoconodonts or paraconodonts) or, possibly, Chaetognaths, found at the beginning of the Cambrian explosion. Protoconodonts are an extinct taxonomic group of conodonts. Chaetognaths (also known as arrow worms) were thought possibly to be related to some of the animals grouped with the conodonts. The conodonts themselves, however, are thought to be related to the vertebrates. It is now thought that protoconodont elements (e.g., Protohertzina anabarica Missarzhevsky, 1973), are probably grasping spines of chaetognaths rather than teeth of conodonts.