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Plegagnathus

Conodonta - Panderodontida - Panderodontidae

Taxonomy
Plegagnathus was named by Ethington and Furnish (1959) [Sepkoski's age data: O Cara-u O Ashg-u Sepkoski's reference number: 800]. It is not extant.

It was assigned to Conodontophorida by Sepkoski (2002); and to Panderodontidae by Sweet (1988) and Zhen et al. (2020).

Species
P. dartoni

Synonymy list
YearName and author
1959Plegagnathus Ethington and Furnish
1988Plegagnathus Sweet p. 185
2002Plegagnathus Sepkoski
2020Plegagnathus Zhen et al. p. 23

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
RankNameAuthor
subphylumConodontophorida()
classConodonta
orderPanderodontidaSweet 1988
familyPanderodontidaeLindström 1970
genusPlegagnathusEthington and Furnish 1959

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

G. †Plegagnathus Ethington and Furnish 1959
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†Plegagnathus dartoni Stone and Furnish 1959
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: hydroxyapatitec
Locomotion: actively mobilec
Life habit: nektonicc
Diet: carnivorec
Vision: well-developedc
Created: 2005-02-03 07:48:42
Modified: 2010-02-12 04:00:46
Source: c = class
Reference: Aberhan 1992

Age range: Richmondian or 449.60000 to 445.50000 Ma

Collections (34 total)


Time interval Ma Country or state Original ID and collection number
Caradoc458.4 - 449.5Canada (Nunavut) P. dartoni (188196)
Late/Upper Ordovician458.4 - 443.8Canada (Northwest Territories) P. nelsoni (180213 180217 180220 180221)
Richmondian449.6 - 445.5Greenland P. dartoni (182387 182389 182457 182977 183027 183033 183126 183127)
Richmondian449.6 - 445.5Canada (Québec) P. dartoni (24569)
Richmondian449.6 - 445.5Canada (Manitoba) P. dartoni (177632 177643 177644 177681) P. nelsoni (177631)
Richmondian449.6 - 445.5Canada (Nunavut) P. dartoni (169387) P. nelsoni, P. dartoni (360)
Richmondian449.6 - 445.5Canada (Northwest Territories) P. nelsoni (26096 26097) P. sp. (26090)
Ashgill449.5 - 443.7Canada (Québec) P. dartoni (24566 24572) P. nelsoni, P. dartoni (24571)
Ashgill - Wenlock449.5 - 427.4Canada (Nunavut) P. dartoni (188106 188108 188111 188163 188166 188187) P. nelsoni, P. dartoni (188192)