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Yangtzeplacognathus crassus

Conodonta - Conodontophorida - Polyplacognathidae

Taxonomy
Eoplacognathus crassus was named by Chen and Zhang (1993).

It was recombined as Yangtzeplacognathus crassus by Löfgren and Zhang (2003) and Mestre and Heredia (2013).

Sister species lacking formal opinion data

Synonymy list
YearName and author
1993Eoplacognathus crassus Chen and Zhang figs. pl. 74 f. 37:12–17
2003Yangtzeplacognathus crassus Löfgren and Zhang pp. 731, 735 fig. 6–12
2013Yangtzeplacognathus crassus Mestre and Heredia pp. 407 - 411 figs. 3.1–6, 4.1–5

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassCyclostomataRichards
RankNameAuthor
orderConodontophorida
classConodontaPander 1856
orderPrioniodontida(Dzik 1976)
superfamilyPrioniodontaceaBassler 1925
familyPolyplacognathidaeBergström 1981
genusYangtzeplacognathusZhang 1998
speciescrassus(Chen and Zhang 1993)

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.

Yangtzeplacognathus crassus Chen and Zhang 1993
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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: Kunda or 469.10000 to 464.30000 Ma

Collections (5 total)


Time interval Ma Country or state Original ID and collection number
Darriwilian469.4 - 458.2Argentina Yangtzeplacognathus crassus (210388 210392 210416 210420)
Kunda469.1 - 464.3Sweden Yangtzeplacognathus crassus (203662)