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Periodon

Conodonta - Conodontophorida

Taxonomy
Periodon was named by Hadding (1913) [Sepkoski's age data: O Aren-l O Cara-u Sepkoski's reference number: 313,867]. It is not extant. Its type is Periodon aculeatus. It is the type genus of Periodontidae.

It was assigned to Conodontophorida by Sepkoski (2002); to Periodontidae by Pyle and Barnes (2002); and to Ozarkodinida by Donoghue et al. (2008).

Synonyms
  • Loxognathus was named by Graves and Ellison (1941).

    It was synonymized subjectively with Periodon by Bradshaw (1969).
Synonymy list
YearName and author
1913Periodon Hadding
1941Loxognathus Graves and Ellison
2002Periodon Pyle and Barnes p. 107
2002Periodon Sepkoski
2008Periodon Donoghue et al.

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
RankNameAuthor
superclassCyclostomataRichards
orderConodontophorida
classConodontaPander 1856
orderOzarkodinidaDzik 1976
genusPeriodonHadding 1913

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. †Periodon Hadding 1913
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†Periodon aculeatus Hadding 1913
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Invalid names: Periodon flabellata Graves and Ellison 1941 [synonym]
†Periodon grandis Ethington 1959
†Periodon hankensis Stouge 2012
†Periodon macrodentatus Graves and Ellison 1941
Invalid names: Loxognathus Graves and Ellison 1941 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: hydroxyapatitec
Environment: marinesubp
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, subp = subphylum
References: Aberhan 1992, Carroll 1988

Age range: base of the Bendigonian to the top of the Hirnantian or 474.90000 to 443.10000 Ma

Collections (257 total)


Time interval Ma Country or state Original ID and collection number
Ibexian488.9 - 471.3USA (New York) P. primum (64618)
Early/Lower Ordovician486.85 - 471.3Svalbard and Jan Mayen P. aculeatus (186595 186596)
Early/Lower Ordovician486.85 - 471.3Canada (British Columbia) P. aculeatus (177763 177765 177769 177771 177772 177773)
Cassinian483.4 - 471.3United Kingdom (Scotland) P. flabellum (75589)
Dawan478.8 - 466.6China (JiangSu) P. sp. (7923 7927 7934)
Floian477.1 - 471.3China (Anhui) P. flabellum (203682 203683 203684 203685 203686 203687 203688 203690 203691 203692 203693)
Floian477.1 - 471.3Russian Federation P. flabellum (61782 61783 61784 61785 61786 61787 61788 61789 61790 61791)
Floian477.1 - 471.3China (Hubei) P. sp. A (203695 203696) P. sp.A (203694)
Arenig477.1 - 468.0Argentina P. sp. (8719 8751)
Arenig477.1 - 468.0Norway (Svalbard) P. sp. (141915 141917)
Arenig477.1 - 468.0China (Hubei) P. sp. (4717 4718 4719 4721)
Floian - Darriwilian477.1 - 458.2Russian Federation (Siberia) P. flabellum (205664)
Billingen475.6 - 471.3Estonia (Harju) P. flabellum (203640 203641 203642 203644 203645)
Blackhillsian475.3 - 471.3Argentina P. flabellum (204198)
Bendigonian474.9 - 473.1Australia (Western Australia) P. adentata (157159)
Rangerian471.3 - 470.3USA (Nevada) P. sp. (297)
Dapingian471.3 - 469.4China (Hubei) P. sp. A (203697 203698 203700)
Dapingian471.3 - 469.4Canada (Newfoundland) P. flabellum (210461 210462 210463 210464 210465 210467 210468 210469 210470 210472 210474) P. hankensis (210494 210496 210497) P. macrodentatus (210498 210500 210501)
Dapingian471.3 - 469.4Argentina P. flabellum (204199)
Dapingian471.3 - 469.4Iran P. flabellum (116507)
Dapingian471.3 - 469.4China (Anhui) P. flabellum (203673 203674 203676 203681)
Volkhov471.3 - 469.1Estonia (Harju) P. flabellum (203636)
Volkhov471.3 - 469.1Russian Federation P. flabellum (61779 61780 61781 61799 61802)
Volkhov471.3 - 469.1Sweden P. spp. (203654)
Middle Ordovician471.3 - 458.2USA (New York) P. sp. (335)
Middle Ordovician471.3 - 458.2Malaysia P. sp. A (186201 186202 186203)
Whiterockian471.3 - 457.3Norway (Spitsbergen) P. sp. (106478 106480)
Whiterockian471.3 - 457.3USA (Nevada) P. aculeatus (80054) P. sp. (210656 210657 210658 210660 210661 210662 210663)
Darriwilian469.4 - 458.2Russian Federation (Siberia) P. aculeatus (206166)
Darriwilian469.4 - 458.2Canada (Newfoundland) P. gladysi, P. macrodentatus (210488 210489 210490) P. hankensis (210475 210477) P. macrodentatus (210479 210480 210481 210482 210483 210484 210485 210486 210487 210502 210503) P. macrodentatus, P. hankensis (210478)
Darriwilian469.4 - 458.2China (Anhui) P. flabellum (203668 203670 203672)
Darriwilian469.4 - 458.2Australia (New South Wales) P. flabellum (219786)
Darriwilian469.4 - 458.2Canada (British Columbia) P. aculeatus (177959 177960 177962 177963 177964 177966)
Darriwilian469.4 - 458.2China (Zhejiang) P. flabellum (203704 203705) P. macrodentatus (223088)
Darriwilian469.4 - 458.2Argentina P. gladysae (210373) P. macrodentatus (210374 210376 210377 210378 210388 210390 210391 210392 210416 210420 210423 210425 210428 210433 210440 210442 210444 210451 210452 210456 210458 210459) P. zgierzensis, P. macrodentatus (210453 210460)
Darriwilian469.4 - 458.2Kazakhstan P. spp. (220540)
Darriwilian469.4 - 458.2New Zealand P. macrodentatus (210504 210505 210507 210508 210509)
Darriwilian469.4 - 458.2Russian Federation (Gorny Altai) P. aculeatus (194972)
Kunda469.1 - 464.3Sweden P. spp. (203661 203662)
Early/Lower Llanvirn468.0 - 461.1China (JiangSu) P. sp. (7939)
Early/Lower Llanvirn468.0 - 461.1China (Hubei) P. sp. (4713)
Llanvirn468.0 - 458.2Canada (Northwest Territories) P. aculeatus, Prioniodina macrodentata (25753)
Llanvirn468.0 - 458.2Argentina P. flabellum (8893) P. sp. (8873)
Lasnamagi461.4 - 459.7Sweden (Jämtland) P. aculeatus (210655)
Early/Lower Llandeilo461.1 - 458.2China (Hubei) P. sp. (4711)
Early/Lower Llandeilo461.1 - 458.2Russian Federation (Siberia) P. sp. (9295 9301)
Late/Upper Llandeilo461.1 - 458.2Russian Federation (Siberia) P. sp. (9297 9304 9308)
Late/Upper Llanvirn461.1 - 458.2China (Hubei) P. sp. (4712)
Sandbian458.2 - 452.8China P. aculeatus (203614 203615)
Sandbian458.2 - 452.8China (Shaanxi) P. gracilis (210632)
Sandbian458.2 - 452.8China (Zhejiang) P. aculeatus (203714)
Sandbian458.2 - 452.8Russian Federation P. mirnyensis (142449 142451)
Sandbian458.2 - 452.8Norway P. aculeatus (203616 203617)
Sandbian458.2 - 452.8China (Inner Mongolia) P. aculeatus (222720 222721 222722 222723 222724)
Aurelucian - Cheneyan458.2 - 451.3United Kingdom P. aculeatus (187088)
Caradoc458.2 - 449.5Russian Federation (Siberia) P. sp. (9302)
Late/Upper Ordovician458.2 - 443.1Canada (British Columbia) P. aculeatus (177796 177797 177798 177799 177800)
Late/Upper Ordovician458.2 - 443.1Australia (New South Wales) P. grandis (189106 189107)
Kukruse458.0 - 456.8Sweden (Skania) P. aculeatus (203706)
Blackriveran - Kirkfieldian457.3 - 449.6Canada (Northwest Territories) P. grandis (27087 27103 27104)
Blackriveran - Shermanian457.3 - 449.6USA (Minnesota) P. grandis (23295 23298)
Shermanian457.3 - 449.6USA (New York) P. grandis (76092)
Longvillian457.2 - 455.0China (JiangSu) P. sp., Loxognathus sp. (7948)
Longvillian - Marshbrookian457.2 - 454.0China (JiangSu) P. sp. (7930 7947)
Chatfieldian453.8 - 451.0USA (New York) P. grandis (337 76089 76090 76091)
Katian452.8 - 445.2USA (Oklahoma) P. grandis (212642 212643 212645 212646 212649 212650 212651 212652 212653 212654 212655 212658 212664 212665 212667 212668 212669 212670 212673 212674 212675 212677 212679 212727 212728 212776 212777 212778 212824 212825 212827 212828)
Edenian - Maysvillian451.0 - 449.6Canada (Northwest Territories) P. grandis (26098 26099 26100 27085)
Maysvillian - Richmondian450.2 - 445.5USA (Nevada) P. sp. (10668)
Vormsi449.9 - 449.5Denmark (Bornholm) P. grandis (184780)
Richmondian449.6 - 445.5Canada (Northwest Territories) P. grandis (26097) P. sp. (26095)
Ashgill449.5 - 443.1Canada (Québec) P. sp. (24841)
Hirnantian445.2 - 443.1Russian Federation (Siberia) P. grandis (206167)