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Lloydia (Leiostegium)

Trilobita - Corynexochida - Leiostegiidae

Taxonomy
Lloydia (Leiostegium) was named by Raymond (1913). It is not extant.

It was assigned to Lloydia by Raymond (1913), Harrington and Leanza (1957).

Subtaxa
Lloydia (Leiostegium) douglasi
Species lacking formal opinion data
Lloydia saffordi

Synonymy list
YearName and author
1913Lloydia (Leiostegium) Raymond
1957Lloydia (Leiostegium) Harrington and Leanza

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
RankNameAuthor
classTrilobitaWalch 1771
orderCorynexochida
suborderLeiostegiinaBradley 1925
superfamilyLeiostegioideaBradley 1925
familyLeiostegiidaeBradley 1925
genusLloydiaVogdes 1893
subgenusLeiostegiumRaymond 1913

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. †Lloydia (Leiostegium) Raymond 1913
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†Lloydia (Leiostegium) douglasi Harrington 1937
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: actively mobileo
Life habit: nektobenthico
Diet: carnivoreo
Vision: well-developedf
Created: 2009-12-14 06:30:50
Modified: 2009-12-14 08:30:50
Source: f = family, o = order, c = class
References: Hendy et al. 2009, Aberhan et al. 2004, Whittington et al. 1997

Age range: base of the Tremadoc to the top of the Demingian or 486.40000 to 483.40000 Ma

Collections (8 total)


Time interval Ma Country or state Original ID and collection number
Demingian486.85 - 483.4USA (Montana) Lloydia sp. A (69028)
Demingian486.85 - 483.4USA (North Dakota) Lloydia sp. (69035)
Tremadoc486.4 - 477.1Argentina (Jujuy) Lloydia douglasi (9081)
Tremadoc486.4 - 477.1Argentina (Salta) Lloydia douglasi (115768 115814 115815 115822 115824)