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Whatcheeriidae

- Whatcheeriidae

Synonymy list
YearName and author
2002Whatcheeriidae Clack p. 73
2005Whatcheeriidae Clack and Finney p. 316 fig. 1
2015Whatcheeriidae Clack and Milner

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
RankNameAuthor
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
familyWhatcheeriidae
familyWhatcheeriidae

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.

Diagnosis
ReferenceDiagnosis
J. A. Clack 2002Derived features include: narrow, steep-sided skull with orbit deeper than its width; massive tooth on maxilla about position 5 or 6; light dermal skull ornament; dorsal branch of mandibular lateral line running along surangular; very broad interclavicle with acutely angled lateral corners.
Primitive features include: grooved, denticulated parasphenoid; closed palate with denticulated surface; supratemporal-postparietal contact, fang pairs on vomers, palatines and ectopterygoids with a row of some smaller accessory teeth on each; row of coronoid teeth nearly continuous; at least some lateral lines in tubes through bone; rhachitomous vertebrae; no differentiated sacral neural arch, ilium with posterodorsal process and dorsal iliac blade.
Features of uncertain polarity include: supratemporal with deeply interdigitated suture to squamosal; small tabular with ‘button’ terminating in ornamented surface; steeply angled suspen- sorium with deeply excavated temporal notch, pronounced angle between skull table and cheek in transverse section; scapulocoracoid ossified in two portions; about 28 presacral vertebrae; trunk ribs with expanded distal flanges.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: brackish, freshwater, terrestrialuc
Locomotion: actively mobilec
Created: 2017-04-17 15:15:19
Modified: 2017-04-17 15:15:19
Source: c = class, subp = subphylum, uc = unranked clade
References: Carroll 1988, Hendy et al. 2009

Age range: base of the Visean to the top of the Asbian or 346.70000 to 336.00000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Tournaisian - Visean358.9 - 330.9United Kingdom (Northern Ireland) Occidens portlocki (173986)
Ivorian353.8 - 345.3United Kingdom (Scotland) Pederpes finneyae (106270)
Visean346.7 - 330.9Australia (Queensland) Ossinodus pueri (176119)
Asbian339.4 - 336.0USA (Iowa) Whatcheeria deltae (68318)