Unresolved name

Unresolved name: Chordates » Galeaspida » Polybranchiaspidiformes » Polybranchiaspididae «

Polybranchiaspis

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

251.2 million years ago

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

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

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last appearance

Paleobiology Database
cretaceous period
URI: http://resource.geosciml.org/classifier/ics/ischart/Cretaceous

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

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Paleobiology Database

66 million years ago

(min)

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

36