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Phillipsia gemmulifera

Trilobita - Proetida - Phillipsiidae

Taxonomy
Asaphus gemmulifera was named by Phillips (1836). Its type specimen is BM 45012, a pygidium, and it is a 3D body fossil.

It was recombined as Phillipsia gemmulifera by Osmólska (1970).

Sister species lacking formal opinion data
P. arduinna

Synonymy list
YearName and author
1836Asaphus gemmulifera Phillips p. 240 figs. PI. 22, Fig. 11
1970Phillipsia gemmulifera Osmólska pp. 80 - 81 figs. PI. X, Figs 5, 9, 12, 14; Text-fig . 6C , K, N)

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderProetidaFortey and Owens 1975
superfamilyProetoideaHawle and Corda 1847
familyPhillipsiidaeOehlert 1886
genusPhillipsia
speciesgemmulifera()

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.

†Phillipsia gemmulifera Phillips 1836
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Diagnosis
ReferenceDiagnosis
H. Osmólska 1970Pygidium with convex ribs, divided by a row of tubercles into two nearly equal bands; tubercles arranged regularly both along the axis and the pleural lobes; anterior border somewhat upturned, anterior branches of facial sutures comparatively strongly divergent; fine granula r ornamentation on cephalon .
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 02:34:58
Modified: 2009-12-19 04:34:58
Source: f = family, o = order, c = class
References: Fortey and Owens 1999, Whittington et al. 1997, Aberhan et al. 2004

Age range: base of the Ivorian to the top of the Asbian or 353.80000 to 336.00000 Ma

Collections (13 total)


Time interval Ma Country or state Original ID and collection number
Ivorian353.8 - 346.7Belgium Phillipsia gemmulifera (37122 37123)
Ivorian353.8 - 346.7Ireland Phillipsia gemmulifera (76497)
Ivorian353.8 - 346.7Belgium (Namur) Phillipsia gemmulifera (37241 37245)
Ivorian - Chadian353.8 - 340.0Ireland Phillipsia gemmulifera (76501 76515)
Chadian346.7 - 340.0United Kingdom (England) Phillipsia gemmulifera (5961 5962 5964 233416)
Asbian340.0 - 336.0United Kingdom (England) Phillipsia gemmulifera (5995)
Asbian - Brigantian340.0 - 330.9United Kingdom (England) Phillipsia gemmulifera (5987)