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Radnoria guyi

Trilobita - Proetida - Brachymetopidae

Taxonomy
Radnoria guyi was named by Pereira et al. (2015) [= Radnoria aff. simplex; Pereira et al. 2014 p. 46, fig. 1.]. Its type specimen is MGUTAD 15050a-b, a skeleton (Internal and external moulds of a nearly complete dorsal exoskeleton), and it is a mold. Its type locality is outcrop located on the road from Mação to Aboboreira, near Pereiro village, which is in a Berounian marine mudstone in the Cabeço do Peão Formation of Portugal.

Synonymy list
YearName and author
2015Radnoria guyi Pereira et al. fig. 3

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
EcdysozoaAguinaldo et al. 1997
Panarthropoda
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
RankNameAuthor
classTrilobitaWalch 1771
orderProetidaFortey and Owens 1975
superfamilyAulacopleuroidea(Angelin 1854)
familyBrachymetopidaePrantl and Pribyl 1951
subfamilyBrachymetopinaePrantl and Pribyl 1950
genusRadnoriaWasmann 1894
speciesguyi

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.

Radnoria guyi Pereira et al. 2015
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Diagnosis
ReferenceDiagnosis
S. Pereira et al. 2015Radnoria with anterior and posterior branches of facial suture diverging at about 60° and 45° respectively to the sagittal line; length of palpebral lobes about one third of the sagittal length of the glabella; glabella and genal field with strong reticulate sculpture of fine ridges; pygidium with eight axial rings and a terminal piece; axial rings bearing prominent median tubercles; axis occupying about 75% sagittal length of pygidium; pleural region with six backwardly curved pleural furrows.
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingc
Life habit: low-level epifaunalc
Diet: deposit feedero
Vision: well-developedf
Created: 2009-12-19 02:32:28
Modified: 2009-12-19 04:32:28
Source: f = family, o = order, c = class
References: Aberhan et al. 2004, Whittington et al. 1997, Fortey and Owens 1999

Age range: Berounian or 459.70000 to 450.10000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Berounian459.7 - 450.1Portugal (Mação) Radnoria simplex (type locality: 171808 171809)