Lungmenshanaspis
Lungmenshanaspis is an extinct genus of galeaspid vertebrates. It lived during the Lochkovian stage in Sichuan, China.[1] DescriptionLungmenshanaspis is 15 cm (5.91 in.) in length.[1] A hole on its head probably helped it to breathe, similar to modern-day noses. It is best known for the projections on its front and sides of its head. ClassificationRelationshipsBelow is a cladogram of family Huananaspidae, where Lungmenshanaspis is shown in bold: " Species
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