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Lanxangichthys alticephalus

Actinopteri - Lepisosteiformes

Taxonomy
Lanxangichthys alticephalus was named by Cavin et al. (2019). Its type specimen is MDS BLT97-08, a skull, and it is a 3D body fossil. Its type locality is Ban Lam Thoy, which is in an Aptian/Albian terrestrial horizon in the Grès supérieurs Formation of Laos. It is the type species of Lanxangichthys.

Synonymy list
YearName and author
2019Lanxangichthys alticephalus Cavin et al. p. 395 figs. 2, 3, 6

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
RankNameAuthor
superclassActinopterygii()
classActinopteri()
subclassNeopterygii(Regan 1923)
infraclassHolostei(Müller 1846)
—Ginglymodi(Cope 1871)
orderLepisosteiformesHay 1929
genusLanxangichthys
speciesalticephalus

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.

†Lanxangichthys alticephalus Cavin et al. 2019
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Diagnosis
ReferenceDiagnosis
L. Cavin et al. 2019Lepisosteiform ginglymodian differing from all other members of the family by the following combination of characters: short and deep head; frontal elongated and as wide anteriorly as posteriorly; dermopterotic tapering anteriorly and more elongated than the parietal; first anterior infraorbital bone very deep and narrow; second anterior infraorbital large and squarish, with the anteroventral corner excavated to fit with the small, squarish anterior third infraorbital; suborbitals arranged in a mosaic pattern; preopercle with a long and broad vertical limb with parallel margins.
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: freshwatero
Locomotion: actively mobileo
Life habit: nektonico
Diet: carnivoreo
Created: 2009-07-20 21:27:01
Modified: 2017-04-17 10:32:18
Source: o = order, subp = subphylum
References: Carroll 1988, Hendy et al. 2009

Age range: base of the Aptian to the top of the Albian or 121.40000 to 100.50000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Aptian - Albian121.4 - 100.5Laos (Savannakhet) Lanxangichthys alticephalus (type locality: 118320)