PBDB Taxon

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Ditomopyge

Trilobita - Proetida - Phillipsiidae

Taxonomy

Ditomopyge was named by Newell (1931) [Sepkoski's age data: C Bash-l P Guad-u Sepkoski's reference number: 2,624,892]. Its type is Phillipsia (Griffithides) scitulus.

It was assigned to Phacopidae by Newell (1931); to Proetida by Sepkoski (2002); to Proetidae by Jell and Adrain (2002); and to Ditomopyginae by Owens (2003), Mychko and Alekseev (2018) and Flick and Shiino (2021).

Species

D. (Carniphillipsia), D. amorni, D. benkei, D. bjornensis, D. decurtata, D. dereimsi, D. fatmii, D. granulata, D. kumpani, D. meridionalis, D. ovalis, D. scitula (syn. Griffithides olsoni, D. parvula, D. lansingensis), D. scitulus, D. sichuanensis, D. whitei, D. yampupatensis

Synonyms

Cyphinium is a genus.

It was synonymized subjectively with Ditomopyge by Jell and Adrain (2002).
Bolivicrania was named by Kobayashi and Hamada (1986) [Sepkoski's age data: P Sepkoski's reference number: ZR87]. Its type is Paladin yampupatensis.

It was synonymized subjectively with Ditomopyge by Owens (2003).

It was assigned to Ditomopyginae by Kobayashi and Hamada (1986); to Proetidae by Jell and Adrain (2002); and to Proetida by Sepkoski (2002).

Synonymy list

Year	Name and author
1931	Ditomopyge Newell pp. 267 - 268
1986	Bolivicrania Kobayashi and Hamada p. 181
2002	Bolivicrania Jell and Adrain pp. 351, 476
2002	Ditomopyge Jell and Adrain p. 367
2002	Bolivicrania Sepkoski
2002	Ditomopyge Sepkoski
2003	Ditomopyge Owens p. 381
2018	Ditomopyge Mychko and Alekseev p. 510
2021	Ditomopyge Flick and Shiino p. 105

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Ecdysozoa
—	Panarthropoda
phylum	Arthropoda	Latreille 1829

Rank	Name	Author
subphylum	Artiopoda	(Hou and Bergstrom)
class	Trilobita	Walch 1771
order	Proetida	Fortey and Owens 1975
superfamily	Proetoidea	Hawle and Corda 1847
family	Phillipsiidae	Oehlert 1886
subfamily	Ditomopyginae	Hupe 1953
genus	Ditomopyge

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. †Ditomopyge Newell 1931

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Subg. †Ditomopyge (Carniphillipsia) Hahn and Brauckmann 1975

†Pseudophillipsia (Carniphillipsia) caruancensis Hahn et al. 1990

†Pseudophillipsia (Carniphillipsia) cooperationis Haas et al. 1980

†Pseudophillipsia (Carniphillipsia) dizluensis Ameri et al. 2017

†Pseudophillipsia (Carniphillipsia) intermedia Kobayashi and Hamada 1980

†Pseudophillipsia (Carniphillipsia) kemerensis Lerosey-Aubril and Angiolini 2009

†Pseudophillipsia (Carniphillipsia) loricata Haas et al. 1980

†Pseudophillipsia (Carniphillipsia) ogivalis Gauri 1965

†Pseudophillipsia (Carniphillipsia) paffenholzi Weber 1944

†Pseudophillipsia (Carniphillipsia) rotunda Hahn et al. 1990

†Pseudophillipsia (Carniphillipsia) sagittalis Kobayashi and Hamada 1978

†Pseudophillipsia (Carniphillipsia) savensis Hahn and Hahn 1977

†Ditomopyge amorni Kobayashi and Hamada 1979

†Ditomopyge benkei Flick and Shiino 2021

†Ditomopyge bjornensis Ormiston 1973

†Ditomopyge decurtata Gheyselinck 1937

†Ditomopyge dereimsi Arellano 1983

†Ditomopyge fatmii Grant 1966

†Ditomopyge granulata Weber 1933

†Ditomopyge kumpani Weber 1933

†Ditomopyge meridionalis Teichert 1944

†Ditomopyge ovalis Gauri 1965

†Ditomopyge scitula Meek and Worthen 1865

Invalid names: Ditomopyge lansingensis Newell 1931 [synonym], Ditomopyge parvula Girty 1911 [synonym], Griffithides olsoni Williams 1933 [synonym]

†Ditomopyge scitulus Meek and Worthen 1865

†Ditomopyge sichuanensis Chen 1989

†Ditomopyge whitei Pabian and Fagerstrom 1972

†Ditomopyge yampupatensis Arellano 1983

Invalid names: Bolivicrania Kobayashi and Hamada 1986 [synonym], Cyphinium [synonym]

Diagnosis

Reference	Diagnosis
T. Kobayashi and T. Hamada 1986 (Bolivicrania)	Cephalon provided with a pair of long genal spines. Glabella more or less contracted laterally at mid-length, composed of a large subtrigonally ovate unf urrowed main lobe and a pair of relatively small basal lobes ; axial furrows provided with a pair of profound pits in anterior part, isolating basal lobes by their straight posterior extension as far as occipital furrow; small median preoccipital lobe present; eyes and palpebra] lobes fairly large, located posteriorly, embracing basal lobes; marginal rim and furrow narrow; lateral and posterior marginal furrows meeting at genal angle and then running into long genal spine; anterior branches of facial sutures nearly straight and divergent from eyes as far as parallels through eyes and abruptly bent near cephalic margin; their posterior branches nearly diagonal and short behind eyes. Pygidium subtrigonal, a little broader than long and provided with depressed marginal border; lateral margins gently arcuate and confluent with rounded narrow posterior margin; axial lobe nearly as wide as pleural part and multisegmented ; each axial ring divided into a broad convex median part and a pair of small depressed lateral sectants ; a few anterior pleural ribs and furrows running into lateral border.