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Semionotus howelli

Osteichthyes - Semionotiformes - Semionotidae

Taxonomy
Semionotus howelli was named by Bock (1959). Its type specimen is ANSP Bock 951 and is a compression fossil. Its type locality is Gwynedd Tunnel (thin shales), which is in a Norian pond shale in the Lockatong Formation of Pennsylvania.

Sister species lacking formal opinion data
S. brauni

Synonymy list
YearName and author
1959Semionotus howelli Bock p. 120 figs. Pl. 22:1

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
RankNameAuthor
subclassActinopterygii()
infraclassActinopteri()
—NeopterygiiRegan 1923
—Ginglymodi(Cope 1871)
orderSemionotiformes
familySemionotidae
genusSemionotus
specieshowelli

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.

†Semionotus howelli Bock 1959
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marinesubp
Locomotion: actively mobileo
Life habit: nektonico
Diet: durophageo
Diet 2: carnivoreo
Created: 2009-07-20 21:41:44
Modified: 2013-12-06 12:03:17
Source: o = order, subp = subphylum
References: Carroll 1988, Hendy et al. 2009

Age range: Norian or 227.30000 to 205.70000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Norian227.3 - 205.7USA (Pennsylvania) Semionotus howelli (type locality: 99375)