Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Collina gemma

Cephalopoda - Ammonitida - Dactylioceratidae

Taxonomy
Collina gemma was named by Bonarelli (1894). It is not extant.

Sister species lacking formal opinion data
C. umbra

Synonymy list
YearName and author
1894Collina gemma Bonarelli
1972Collina gemma Guex figs. Pl 9, fig 12; pl 10, figs 2,3

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderAmmonitida
suborderAmmonitinaHyatt 1889
superfamilyEoderoceratoidea(Spath 1929)
familyDactylioceratidaeHyatt 1867
subfamilyDactylioceratinaeHyatt 1867
genusCollinaBonarelli 1893
speciesgemmaBonarelli 1894

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.

†Collina gemma Bonarelli 1894
show all | hide all
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height36.496.007.006.500.500
shell diameter324.722.326.525.52.19
shell inflation313.912.315.214.31.48

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 2004, Kiessling 2003

Age range: base of the Toarcian to the top of the Late/Upper Toarcian or 182.70000 to 175.60000 Ma

Collections (40 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Toarcian183.0 - 182.0Spain (Granda) Collina gemma (201105)
Toarcian182.7 - 174.1France Collina gemma (210808)
Bifrons182.0 - 175.6France Collina gemma (170423 170435 170437 170474)
Bifrons182.0 - 175.6Spain Collina gemma (126487)
Middle Toarcian182.0 - 175.6Spain (Murcia) Collina gemma (201437 201439 201466 201467 201468)
Middle Toarcian182.0 - 175.6Spain (Granda) Collina gemma (201106 201107 201108 201109 201110 201111 201112 201113 201114 201115 201116 201117 201118 201194 201197 201200 201207 201208 201210 201212 201214)
Middle Toarcian - Late/Upper Toarcian182.0 - 175.6Morocco (Taza-Al Hoceima-Taounate) Collina gemma (234054)
Variabilis182.0 - 175.6Spain Collina gemma (126491)
Variabilis182.0 - 175.6Bulgaria Collina gemma (151003)
Variabilis182.0 - 175.6Hungary Collina gemma (108082 108097 108098 147234)