PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Dicellograptus

Pterobranchia - Graptoloidea - Dicranograptidae

Taxonomy

Dicellograptus was named by Hopkinson (1871) [Sepkoski's age data: O Llvi-l O Ashg-u Sepkoski's reference number: 722,1066]. It was considered monophyletic by Storch et al. (2011).

It was assigned to Graptoloidea by Sepkoski (2002); to Dicranograptoidea by Storch et al. (2011); and to Dicranograptidae by Chen et al. (2016).

Species

D. anceps, D. caduceus, D. complanatus, D. complexus, D. divaricatus, D. elegans, D. gravis, D. ornatus, D. sextans, Leptograptus ascendens, Leptograptus capillaris, Leptograptus flaccidus

Species lacking formal opinion data

D. alector, D. angulatus, D. flexuosus, D. forchammeri, D. gurleyi, D. intermedius, D. intortus, D. johnstrupi, D. laticeps, D. mensurans, D. minor, D. mirabilis, D. moffatensis, D. morrisi, D. ornates, D. pumilis, D. pumilus, D. russonioides, D. sextans, D. smithi, D. tumidus, D. turgidus, D. vagus

Synonyms

Leptograptus was named by Lapworth (1873) [Sepkoski's age data: O Llde-u O Ashg-m Sepkoski's reference number: 722,981]. Its type is Graptolithus flaccidus.

It was synonymized subjectively with Dicellograptus by Chen et al. (2016).

It was assigned to Graptoloidea by Sepkoski (2002).

Synonymy list

Year	Name and author
1871	Dicellograptus Hopkinson
1873	Leptograptus Lapworth
2002	Dicellograptus Sepkoski
2002	Leptograptus Sepkoski
2011	Dicellograptus Storch et al.
2016	Dicellograptus Chen et al. p. 159

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
—	Ambulacraria
phylum	Hemichordata	Bateson 1885
class	Pterobranchia	Lankester 1877

Rank	Name	Author
subclass	Graptolithina	(Bronn 1849)
order	Graptoloidea	Lapworth 1875
suborder	Axonophora	Frech 1897
infraorder	Diplograptina	(Lapworth 1880)
family	Dicranograptidae	Lapworth 1873
genus	Dicellograptus	Hopkinson 1871

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. †Dicellograptus Hopkinson 1871

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†Dicellograptus anceps Nicholson 1867

†Dicellograptus caduceus Lapworth and Wood 1876

†Dicellograptus complanatus Lapworth 1880

†Dicellograptus complexus Davies 1929

†Dicellograptus divaricatus Hall 1859

†Dicellograptus divaricatus bicurvatus Ruedemann 1908

†Dicellograptus elegans Carruthers 1868

†Dicellograptus gravis Keble and Harris 1925

†Dicellograptus ornatus Elles and Wood 1904

†Dicellograptus sextans Hall 1843

Invalid names: Leptograptus Lapworth 1873 [synonym]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

"sclero-protein"c

Locomotion:

passively mobileo

Life habit:

planktonico

Diet:

suspension feedero

Vision:

blindc

Created:

2004-02-28 15:07:12

Modified:

2009-05-19 07:15:15

Source: o = order, c = class

References: Aberhan et al. 2004, Aberhan 1992

Age range: base of the Dapingian to the top of the Hirnantian or 471.30000 to 443.10000 Ma

Collections (256 total)

Time interval	Ma	Country or state	Original ID and collection number
Oldest occurrences
Ordovician	486.85 - 443.1	USA (Alaska)	Leptograptus sp. (111709)
Floian - Dapingian	477.1 - 469.4	Russian Federation (Siberia)	D. sp. (206142)
Arenig	477.1 - 468.0	China (XinJiang)	D. sp. (20791)
Arenig	477.1 - 468.0	China (GanSu)	D. sp. (8575)
Dapingian	471.3 - 469.4	Russian Federation (Siberia)	D. sp. (206141)
Middle Ordovician	471.3 - 458.2	USA (Virginia)	D. sp. (6986)
Middle Ordovician	471.3 - 458.2	USA (Nevada)	D. intortus, D. divaricatus, D. sextans (203993) D. intortus, D. sp. (203990) D. sextans (203994)
Middle Ordovician	471.3 - 458.2	USA (California)	D. sp. (424 196180)
Chazyan	471.3 - 457.3	USA (California)	D. sextans (104324)
Whiterockian	471.3 - 457.3	USA (Nevada)	D. divaricatus, D. sextans (104382)
Youngest occurrences
Time interval	Ma	Country or state	PBDB collection number
Wufeng - Hirnantian	449.4 - 443.1	China (Hunan and Hubei)	D. sp. (7713)
Wufeng - Hirnantian	449.4 - 443.1	China (Hunan)	D. sp. (7687 7696)
Wufeng - Hirnantian	449.4 - 443.1	China (Hubei)	D. sp. (7721)
Wufeng - Hirnantian	449.4 - 443.1	China (Guizhou)	D. sp. (4739)
Cautleyan - Rawtheyan	449.2 - 445.2	China (Yunnan)	D. sp. (7259)
Cautleyan - Rawtheyan	449.2 - 445.2	China (Sichuan)	D. sp. (7252)
Cautleyan - Hirnantian	449.2 - 443.1	China (GanSu)	D. sp. (8557)
Bolindian	449.0 - 443.1	USA (Idaho)	D. alector, Leptograptus demissus (145484) Leptograptus demissus (145487 145488 145497) Leptograptus demissus, D. ornatus (145485) Leptograptus demissus, D. ornatus, Leptograptus flaccidus (145486)
Hirnantian	445.2 - 443.1	USA (Nevada)	D. ornatus (145756)
Hirnantian	445.2 - 443.1	Argentina	D. sp. (8890)