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Brachymetopus woodwardii

Trilobita - Proetida - Brachymetopidae

Taxonomy
Brachymetopus woodwardii was named by Whidborne (1896). Its type specimen is SM H418, a cephalon/head, and it is a 3D body fossil. Its type locality is Lane between Heanton Punchardon and Wrafton, which is in a Hastarian offshore shale/limestone in the Pilton Shales Formation of the United Kingdom.

It was recombined as Brachymetopus maccoyi woodwardii by Hahn (1964).

Synonymy list
YearName and author
1896Brachymetopus woodwardii Whidborne p. 14 figs. pl. 2, figs 9-11
1964Brachymetopus maccoyi woodwardii Hahn pp. 153, 160
1984Brachymetopus woodwardii Owens pp. 25 - 26 figs. Pl. 7. figs 6, 11-15, 17

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—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
genusBrachymetopus
specieswoodwardii

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.

†Brachymetopus woodwardii Whidborne 1896
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Diagnosis
ReferenceDiagnosis
R. M. Owens 1984Glabella with small, well-defined LI; eye small, 40-45% length (sag.) of glabella; cephalic border with single row of small, closely spaced granules, c. 20 between sagittalline and anterior end of genal spine; broad, smooth cephalic border furrow; circumglabellar tubercles somewhat enlarged compared with those on preglabellar and genal area; postocular facial suture
present; pygidium with spinose margin (but only small specimens known); axis with Il or 12 rings, pleural areas with 7 pairs of ribs.
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: Whittington et al. 1997, Aberhan et al. 2004, Fortey and Owens 1999

Age range: base of the Late/Upper Famennian to the top of the Hastarian or 364.70000 to 353.80000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Famennian364.7 - 360.7China (Guangxi) Brachymetopus woodwardii (222338)
Hastarian358.9 - 353.8United Kingdom (England) Brachymetopus woodwardii (type locality: 229660 229661 229662)