Polycopetta quadrispinata Tanaka & Tsukagoshi 2013的圖片

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Halocyprida Dana 1853

Body symmetry

Namigai et al 2014
雙側對稱
URI：http://purl.obolibrary.org/obo/PATO_0001324

定義： 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

定義： 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

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

姓名標示：http://en.wikipedia.org/wiki/Extant_taxon

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first appearance

Paleobiology Database

259.9 百萬年前

(最大)
Paleobiology Database
洛坪期
URI：http://resource.geosciml.org/classifier/ics/ischart/Lopingian

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

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last appearance

Paleobiology Database

242 百萬年前

(最小)
Paleobiology Database
安尼期
URI：http://resource.geosciml.org/classifier/ics/ischart/Anisian

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

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mineralized skeleton contains

Mineralogy
方解石
URI：http://purl.obolibrary.org/obo/CHEBI_46719

定義： Calcium carbonate (CO3Ca), calcite structure

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number of fossil occurrences

Paleobiology Database

18

sexual system

Fairbairn 2013
dioecious
URI：https://www.wikidata.org/entity/Q148681

定義： a characteristic of a species, meaning that it has distinct male and female individual organisms.

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visual system

Elofsson 1966
無節幼體眼
URI：http://purl.obolibrary.org/obo/UBERON_0015170

定義： An eye that consists of a cluster of three or four pit eyes that form a single structural unit but are separated from one another by pigment layers

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