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Chirognathidae

Conodonta - Prioniodontida - Chirognathidae

Taxonomy
Chirognathidae was named by Branson and Mehl (1944). It is considered to be a form taxon. It is the type family of Chirognathacea.

It was assigned to Chirognathacea by Clark et al. (1981); and to Prioniodinida by Sweet (1988) and Pyle and Barnes (2002).

Synonymy list
YearName and author
1944Chirognathidae Branson and Mehl
1981Chirognathidae Clark et al. p. W103
1988Chirognathidae Sweet p. 186
2002Chirognathidae Pyle and Barnes p. 62

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumConodontophorida()
RankNameAuthor
classConodonta
orderPrioniodontida(Dzik 1976)
orderPrioniodinidaSweet 1988
familyChirognathidaeBranson and Mehl 1944
familyChirognathidaeBranson and Mehl 1944

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.

Fm. †Chirognathidae Branson and Mehl 1944
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G. †Curtognathus Branson and Mehl 1933
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Invalid names: Cardiodella Branson and Mehl 1955 [synonym]
G. †Spinodus Dzik 1976
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: base of the Dapingian to the top of the Kukruse or 470.00000 to 456.80000 Ma

Collections (55 total)


Time interval Ma Country or state Original ID and collection number
Dapingian470.0 - 467.3Canada (Newfoundland) Spinodus wardi (210494 210496 210497 210498 210500 210501)
Dapingian470.0 - 467.3China (Anhui) Spinodus spinatus (203674 203680)
Middle Ordovician470.0 - 458.4Canada (British Columbia) Curtognathus spp. (177778)
Whiterockian470.0 - 457.3Canada (British Columbia) Curtognathus spp. (177928)
Darriwilian467.3 - 458.4Canada (Newfoundland) Oistodella pulchra (210486 210487 210488 210490 210502 210503) Oistodella pulchra, Spinodus wardi (210489) Spinodus wardi (210477 210478 210479 210483)
Darriwilian467.3 - 458.4China (Zhejiang) Spinodus spinatus (223088)
Darriwilian467.3 - 458.4Argentina Oistodella pulchra (210373 210376 210378 210390 210420) Oistodella pulchra, Spinodus spinatus (210391 210392 210416) Spinodus spinatus (210434 210453) Spinodus spinatus, Spinodus sp. (210460)
Darriwilian467.3 - 458.4Canada (British Columbia) Spinodus spinatus (177960)
Darriwilian467.3 - 458.4New Zealand Spinodus sp. (210504 210505)
Darriwilian467.3 - 458.4China (Anhui) Spinodus spinatus (203668)
Darriwilian467.3 - 458.4Kazakhstan Spinodus spinatus (220540)
Late/Upper Llanvirn463.5 - 460.9Russian Federation (Siberia) Curtognathus sp. (9227)
Late/Upper Llandeilo461.1 - 458.4Russian Federation (Siberia) Curtognathus sp. (9228)
Sandbian458.4 - 453.0China (Zhejiang) Spinodus spinatus (203714 203715 203716)
Sandbian458.4 - 453.0China Spinodus spinatus (203615)
Late/Upper Ordovician458.4 - 443.8Canada (British Columbia) Curtognathus spp (177749) Curtognathus spp. (177929)
Late/Upper Ordovician458.4 - 443.8Canada (Northwest Territories) Spinodus n. sp. A (180213) Spinodus n. sp.A (180215)
Kukruse458.0 - 456.8Sweden (Skania) Spinodus spinatus (203706)
Turinian457.3 - 453.8USA (Missouri) Curtognathus sp. (176649)
Blackriveran457.3 - 449.6USA (Oklahoma) Curtognathus cordiformis, Curtognathus limitaris, Curtognathus sp., Cardiodella abbreviatus, Cardiodella densus (23988) Curtognathus coronata, Curtognathus limitaris, Cardiodella arcuatus, Cardiodella robustus (23985)
Blackriveran - Shermanian457.3 - 449.6USA (Minnesota) Curtognathus spp. (23295 23298)
Blackriveran - Shermanian457.3 - 449.6USA (Iowa) Curtognathus spp. (23300)