PBDB Taxon

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Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Dechenella (Dechenella)

Trilobita - Proetida - Proetidae

Taxonomy

Dechenella (Dechenella) was named by Kayser (1880).

It was assigned to Dechenella by Kayser (1880).

Subtaxa

Dechenella (Dechenella) algida, Dechenella (Dechenella) bathurstensis, Dechenella (Dechenella) crepuscula, Dechenella (Dechenella) crista, Dechenella (Dechenella) franklini, Dechenella (Dechenella) maclareni, Dechenella (Dechenella) minima, Dechenella (Dechenella) paramaclareni, Dechenella (Dechenella) welleri

Synonymy list

Year	Name and author
1880	Dechenella (Dechenella) Kayser

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Ecdysozoa
—	Panarthropoda
phylum	Arthropoda	Latreille 1829
subphylum	Artiopoda	(Hou and Bergstrom)

Rank	Name	Author
class	Trilobita	Walch 1771
order	Proetida	Fortey and Owens 1975
superfamily	Proetoidea	Hawle and Corda 1847
family	Proetidae	Salter 1864
subfamily	Dechenellinae	Pribyl 1946
genus	Dechenella	Kayser 1880
subgenus	Dechenella	Kayser 1880

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.

Subg. †Dechenella (Dechenella) Kayser 1880

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†Dechenella (Dechenella) algida Ormiston 1967

†Dechenella (Dechenella) bathurstensis Ormiston 1967

†Dechenella (Dechenella) crepuscula Ormiston 1967

†Dechenella (Dechenella) crista Ormiston 1967

†Dechenella (Dechenella) franklini Ormiston 1967

†Dechenella (Dechenella) maclareni Ormiston 1967

†Dechenella (Dechenella) minima Okubo 1952

†Dechenella (Dechenella) paramaclareni Ormiston 1967

†Dechenella (Dechenella) welleri Stauffer 1909

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

low Mg calcitec

Composition 2:

chitinc

Entire body:

yesf

Adult length:

10 to < 100f

Adult width:

10 to < 100f

Ontogeny:

molting, addition of partsc

Environment:

marinec

Locomotion:

fast-movingc

Life habit:

low-level epifaunalc

Diet:

deposit feedero

Vision:

well-developedf

Created:

2009-06-11 18:30:23

Modified:

2009-12-19 04:35:55

Source: f = family, o = order, c = class

References: Hendy 2009, Fortey and Owens 1999, Aberhan et al. 2004

Age range: base of the Emsian to the top of the Givetian or 407.60000 to 382.70000 Ma

Collections (32 total)

Time interval	Ma	Country or state	Original ID and collection number
Emsian	407.6 - 393.3	Canada (Nunavut)	Dechenella franklini, Dechenella maclareni, Dechenella paramaclareni (26596) Dechenella maclareni (26583 26587 26588 26589 26590 26591 26593 26616 26620) Dechenella paramaclareni (26640)
Emsian - Eifelian	407.6 - 387.7	Canada (Nunavut)	Dechenella maclareni (26594 26595)
Eifelian	393.3 - 387.7	Canada (Yukon)	Dechenella maclareni (223528 223531)
Eifelian	393.3 - 387.7	Canada (Manitoba)	Dechenella sp. (228068 228105)
Eifelian	393.3 - 387.7	USA (Ohio)	Dechenella welleri (207850)
Eifelian	393.3 - 387.7	Canada (Nunavut)	Dechenella algida (26606 26607 26609 26610) Dechenella bathurstensis (26601 26604 26605) Dechenella bathurstensis, Dechenella crista (26602) Dechenella crepuscula (26603) Dechenella maclareni (26597)
Eifelian	393.3 - 387.7	USA (Nevada)	Dechenella sp. (44124)
Eifelian	393.3 - 387.7	Japan (Iwate)	Dechenella minima (104031)
Southwoodian	391.9 - 388.1	USA (Indiana)	Cyrtodechenella welleri (188933)
Givetian	387.7 - 382.7	Russian Federation (Arkhangel'skaya Oblast')	Dechenella bathurstensis (40711)