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Morrowites depressus

Cephalopoda - Ammonitida - Acanthoceratidae

Taxonomy
Mammites depressus was named by Powell (1963). It is a 3D body fossil. Its type locality is Cannonball Hill, which is in a Turonian marine limestone in the Ojinaga Formation of Mexico.

It was recombined as Morrowites depressus by Cobban and Hook (1983) and Kennedy and Cobban (1988).

Synonymy list
YearName and author
1963Mammites depressus Powell p. 1228 figs. pl. 168, figs. 1-3
1983Morrowites depressus Cobban and Hook p. 11
1988Morrowites depressus Kennedy and Cobban p. 596

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderAmmonitida
suborderAmmonitinaHyatt 1889
superfamilyAcanthoceratoidea(de Grossouvre 1894)
familyAcanthoceratidaeGrossouvre 1894
subfamilyEuomphaloceratinae
genusMorrowites
speciesdepressus()

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.

†Morrowites depressus Powell 1963
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Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height222.414.036.025.015.6
shell diameter250.228.090.059.043.8
shell inflation214.57.8027.017.413.6

Composition: aragoniteo
Environment: marinec
Locomotion: fast-movingo
Life habit: nektonico
Diet: carnivoreo
Vision: well-developedc
Created: 2005-01-28 02:27:03
Modified: 2009-10-08 14:14:55
Source: o = order, c = class
References: Kiessling 2003, Kiessling 2004

Age range: Middle Turonian or 93.50000 to 89.30000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Turonian93.5 - 89.3USA (New Mexico) Morrowites depressus (87805 87808 87809)
Middle Turonian93.5 - 89.3Mexico (Chihuahua) Mammites depressus (type locality: 38965)
Middle Turonian93.5 - 89.3USA (New Mexico) Mammites depressus (178791) Morrowites depressus (88812)