Gnathifera
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Gnathifera is a clade of generally small spiralians characterized by complex jaws made of chitin. It comprises the phyla Gnathostomulida, Rotifera and Micrognathozoa. Chaetognatha has recently been re
Mikrofoto.de Brachionus quadridentatus 6
Pseudosagitta maxima 31349361
Belemnite DB2
Spiralia
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The Spiralia are a morphologically diverse clade of protostome animals, including within their number the molluscs, annelids, platyhelminths and other taxa. The term Spiralia is applied to those phyla
Gnathifera
…Gnathifera (from the Greek gnáthos, "jaw", and the Latin -fera, "bearing") is a clade of generally small spiralians characterized by complex jaws made of chitin. It comprises the phyla Gnathostomulida, Rotifera and Micrognathozoa. Chaetognatha has recently been…
Spiralia clade