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Pachyrhizodus minimus

Osteichthyes - Crossognathiformes - Pachyrhizodontidae

Taxonomy
Pachyrhizodus minimus was named by Stewart (1899). It is a 3D body fossil.

Sister species lacking formal opinion data
P. magnus, P. marathonensis, P. mimimus

Synonymy list
YearName and author
1899Pachyrhizodus minimus Stewart
1902Pachyrhizodus minimus Hay p. 388
1968Pachyrhizodus minimus Bardack p. 148 fig. 5
1970Pachyrhizodus minimus Applegate p. 408
2006Pachyrhizodus minimus Cumbaa et al. p. 150
2006Pachyrhizodus minimus Shimada et al. p. 25
2008Pachyrhizodus minimus Shimada and Martin p. 97 fig. 9D,E
2016Pachyrhizodus minimus Bice and Shimada p. 186 fig. 7J,K
2022Pachyrhizodus minimus Allen and Shimada p. 8 fig. 4I
2025Pachyrhizodus minimus Juranek and Shimada p. 16 fig. 8D

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassActinopterygii()
RankNameAuthor
infraclassActinopteri()
—Teleosteomorpha
—Teleostei(Müller 1846)
orderCrossognathiformesTaverne 1989
suborderPachyrhizodontoideiForey 1977
familyPachyrhizodontidaeCope 1872
genusPachyrhizodusAgassiz 1850
speciesminimusStewart 1899

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.

†Pachyrhizodus minimus Stewart 1899
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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: carnivoreo
Created: 2009-07-20 21:12:03
Modified: 2009-07-20 23:12:03
Source: o = order, subp = subphylum
References: Hendy et al. 2009, Carroll 1988, Kiessling 2004

Age range: base of the Late/Upper Cenomanian to the top of the Middle Campanian or 100.50000 to 72.20000 Ma

Collections (24 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Cenomanian100.5 - 93.9USA (Colorado) Pachyrhizodus minimus (132505)
Late/Upper Cenomanian100.5 - 93.9USA (Kansas) Pachyrhizodus minimus (213414 213416 213417 213418 213419)
Middle Cenomanian100.5 - 93.9USA (Colorado) Pachyrhizodus minimus (35429 213403)
Middle Cenomanian100.5 - 93.9USA (Nebraska) Pachyrhizodus minimus (213308)
Middle Cenomanian100.5 - 93.9USA (Kansas) Pachyrhizodus minimus (94538)
Middle Cenomanian100.5 - 93.9Canada (Saskatchewan) Pachyrhizodus minimus (22731)
Early/Lower Turonian93.9 - 89.8USA (Iowa) Pachyrhizodus minimus (213400)
Early/Lower Turonian93.9 - 89.8USA (Kansas) Pachyrhizodus minimus (213384 213385 213386)
Middle Turonian93.9 - 89.8USA (Kansas) Pachyrhizodus minimus (35365 213387)
Middle Turonian93.9 - 89.8USA (Nebraska) Pachyrhizodus minimus (213389)
Turonian93.9 - 89.8USA (South Dakota) Pachyrhizodus minimus (181902)
Late/Upper Santonian85.7 - 83.6USA (South Dakota) Pachyrhizodus minimus (194130)
Middle Santonian - Late/Upper Santonian85.7 - 83.6USA (Kansas) Pachyrhizodus minimus (241665)
Santonian85.7 - 83.6USA (Alabama) Pachyrhizodus minimus (81928)
Late/Upper Santonian - Early/Lower Campanian85.7 - 72.2USA (Alabama) Pachyrhizodus minimus (82051)
Middle Campanian83.6 - 72.2Canada (Manitoba) Pachyrhizodus minimus (36707)