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Thornbacks

Platyrhinidae

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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auditory system

Ladich and Popper 2004
otoliths
URI: https://www.wikidata.org/entity/Q591800

Definition: Inner-ear structure in vertebrates which detects acceleration and may detect acoustic signals

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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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ecomorphological guild

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

Definition: Active swimming organisms that live near the bottom a body of water.

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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

93.5 million years ago

(max)
Paleobiology Database
turonian age
URI: http://resource.geosciml.org/classifier/ics/ischart/Turonian

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

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hearing range

Ladich and Popper 2004

40 Hz

(min)
Ladich and Popper 2004

300 Hz

(max)

last appearance

Paleobiology Database

0.0117 million years ago

(min)
Paleobiology Database
pleistocene epoch
URI: http://resource.geosciml.org/classifier/ics/ischart/Pleistocene

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

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mineralized skeleton contains

Mineralogy
hydroxylapatite
URI: http://purl.obolibrary.org/obo/CHEBI_52255

Definition: A phosphate mineral with the formula Ca5(PO4)3(OH).

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mineralized tissue contains

Mineralogy
hydroxylapatite
URI: http://purl.obolibrary.org/obo/CHEBI_52255

Definition: A phosphate mineral with the formula Ca5(PO4)3(OH).

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Mineralogy
apatite
URI: http://purl.obolibrary.org/obo/CHEBI_52254

Definition: A phosphate mineral with the general formula Ca5(PO4)3X where X = OH, F or Cl

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motility

Paleobiology Database
actively mobile
URI: http://eol.org/schema/terms/activelyMobile

Definition: uses self-propelled locomotion to change location on a regular basis

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(adult)

number of fossil occurrences

Paleobiology Database

34

number of public records in bold

Barcode of Life Data Systems

11

number of records in gbif

GBIF data coverage

306

sensory system

Bullock et al 1983
electroreception
URI: https://www.wikidata.org/entity/Q1326528

Definition: detection and measurement of weak electric fields, via specialized sense organs and brain structures that process this information

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sexual system

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

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

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trophic guild

Paleobiology Database
carnivore
URI: http://www.wikidata.org/entity/Q81875

Definition: organism that eats mostly or exclusively animal tissue

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