PBDB Taxon

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Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Pennarbedops

Trilobita - Phacopida - Acastidae

Taxonomy

Pennarbedops was named by Bignon and Crônier (2014). Its type is Rhenops babini.

It was assigned to Asteropyginae by Bignon and Crônier (2014).

Species

P. babini, P. circumapodemus

Synonymy list

Year	Name and author
2014	Pennarbedops Bignon and Crônier pp. 655 - 656

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Ecdysozoa	Aguinaldo et al. 1997
—	Panarthropoda
phylum	Arthropoda	Latreille 1829
subphylum	Artiopoda	(Hou and Bergstrom)

Rank	Name	Author
class	Trilobita	Walch 1771
order	Phacopida	Salter 1864
suborder	Phacopina	Struve 1959
superfamily	Acastoidea
family	Acastidae	Delo 1935
subfamily	Asteropyginae	Delo 1935
genus	Pennarbedops

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.

G. †Pennarbedops Bignon and Crônier 2014

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†Pennarbedops babini Morzadec 1983

†Pennarbedops circumapodemus Smeenk 1983

Diagnosis

Reference	Diagnosis
A. Bignon and C. Crônier 2014	Frontal lobe diamond shaped; axial furrows curved between S2 and S3; L3 more elevated than L1 and L2; 8 lenses per dorsoventral file of visual surface; genal spine shorter than glabella, without development of lateral border. Ten to 11 pygidial axial rings; 5 pleural segments, rounded pleural bands; pleural furrows rather large; 5 pairs of pygidial spines developed from posterior and anterior pleural bands with a similar length, shorter or as long as pleural width (tr.); terminal spine as wide as axial extremity and as long as other pygidial spines.

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:

carnivoresubo

Vision:

well-developedf

Created:

2009-12-15 22:42:55

Modified:

2009-12-16 00:42:55

Source: f = family, subo = suborder, c = class

References: Whittington et al. 1997, Aberhan et al. 2004, Fortey and Owens 1999

Age range: Late/Upper Emsian or 399.50000 to 393.47000 Ma

Collections: one only

Time interval	Ma	Country or state	Original ID and collection number
Late/Upper Emsian	399.5 - 393.47	France (Alsace)	Rhenops babini (40065)