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Mesotaphraspis Whittington & Evitt 1953

Body symmetry

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

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

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mineralized skeleton contains

Mineralogy
calcite
URI: http://purl.obolibrary.org/obo/CHEBI_46719

Definition: Calcium carbonate (CO3Ca), calcite structure

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type specimen repository

GBIF national node type records UK

NHMUK

visual system

Bitsch 2005
compound eyes
URI: http://purl.obolibrary.org/obo/UBERON_0000018

Definition: A light sensing organ composed of multiple ommatidia, visual units consisting of a limited number of rhabdomeric photoreceptor cells, cornea-secreting epithelial cells, interommatidial pigment cells, and sometimes crystalline cone cells

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