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Gnathiferans

Gnathifera

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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cellularity

Cellularity and growth form
multicellular
URI: http://purl.obolibrary.org/obo/PATO_0001993

Definition: A cellularity quality inhering in a bearer by virtue of the bearers consisting of more than one cell. [ PATOC:GVG ]

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extinction status

Paleobiology Database
extant
URI: http://eol.org/schema/terms/extant

Definition: This taxon is still in existence, as opposed to extinct.

Attribution: http://en.wikipedia.org/wiki/Extant_taxon

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first appearance

Paleobiology Database

48.6 million years ago

(max)
Paleobiology Database
eocene epoch
URI: http://resource.geosciml.org/classifier/ics/ischart/Eocene

Attribution: International Chronostratigraphic Chart: http://www.stratigraphy.org/index.php/ics-chart-timescale

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last appearance

Paleobiology Database
langhian age
URI: http://resource.geosciml.org/classifier/ics/ischart/Langhian

Attribution: International Chronostratigraphic Chart: http://www.stratigraphy.org/index.php/ics-chart-timescale

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Paleobiology Database

13.82 million years ago

(min)

number of fossil occurrences

Paleobiology Database

3