Life » … » Metazoa » … » Mollusca » Cephalopoda » … » Hildoceratidae » …

Life » Cellular » Eukaryota » Opisthokonta » Metazoa » Bilateria » Protostomia » Spiralia » Mollusca » Cephalopoda » Ammonoidea » Hildocerataceae » Hildoceratidae » Pseudogrammoceras «

Pseudogrammoceras aratum (Buckman 1890)

Body symmetry

Namigai et al 2014
bilaterally symmetric
URI: http://purl.obolibrary.org/obo/PATO_0001324

Definission: being symmetric about a plane running from frontal end to caudal end (head to tail), and having nearly identical right and left halves

smon-e tute j'argistrassion