PBDB Taxon

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

Pristiograptus ludlowensis

Pterobranchia - Graptoloidea - Monograptidae

Taxonomy

Monograptus dubius ludlovensis was named by Bouček (1936).

It was recombined as Pristiograptus dubius ludlovensis by Münch (1942); it was recombined as Pristiograptus ludlovensis by Obut (1965); it was recombined as Pristiograptus ludlowensis by Krandijevsky (1968).

Sister species lacking formal opinion data

P. acinaces, P. admirabilis, P. argutus, P. bohemicus, P. cangshanensis, P. colonnus, P. concinnus, P. concinuus, P. curtus, P. fecundus, P. fragilis, P. graciosus, P. gregarius, P. hisingeri, P. jaculum, P. jaegeri, P. ladenicensis, P. largus, P. lochkovensis, P. lodenicensis, P. nilssoni, P. nudus, P. parultimus, P. parvus, P. pergratus, P. prandtli, P. pseudodubius, P. regularis, P. samsonowiczi, P. sandersoni, P. scanicus, P. sharenbergi, P. tenuis, P. ultimus, P. variabilis, P. varians, P. vicinus, P. virbalensis, P. xiushanensis

Synonyms

Monograptus forbesi was named by Berry (1960). Its type specimen is UCMP 37718 and is a 3D body fossil. Its type locality is roadcut on State Highway 227, 10 miles northeast of Ashland, which is in a Gorstian marine shale in the Jemtland Formation of Maine.

It was synonymized subjectively with Pristiograptus ludlowensis by Krandijevsky (1968).

Synonymy list

Year	Name and author
1936	Monograptus dubius ludlovensis Bouček p. 6 figs. pl 1 f. 8-10
1942	Pristiograptus dubius ludlovensis Münch p. 247 figs. pl. 1 f. 5-6
1960	Monograptus forbesi Berry p. 1162 figs. figs. 2B,2G
1965	Pristiograptus ludlovensis Obut pp. 69-70 figs. pl. 12 f. 1-11
1968	Pristiograptus ludlowensis Krandijevsky pp. 42-43 figs. pl. 8 fig. 8-10

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
—	Ambulacraria
phylum	Hemichordata	Bateson 1885
class	Pterobranchia	Lankester 1877
subclass	Graptolithina	(Bronn 1849)

Rank	Name	Author
order	Graptoloidea	Lapworth 1875
suborder	Axonophora	Frech 1897
infraorder	Neograptina	Storch et al. 2011
superfamily	Monograptoidea	Lapworth 1873
family	Monograptidae	Lapworth 1873
subfamily	Pristiograptinae	Gürich 1908
genus	Pristiograptus
species	ludlowensis	(Bouček 1936)

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.

†Pristiograptus ludlowensis Bouček 1936

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Invalid names: Monograptus forbesi Berry 1960 [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 1992, Aberhan et al. 2004

Age range: base of the Homerian to the top of the Gorstian or 430.60000 to 425.00000 Ma

Collections (11 total)

Time interval	Ma	Country or state	Original ID and collection number
Homerian	430.6 - 426.7	Lithuania	Pristiograptus ludlowensis (207376 207379 207381)
Gorstian	426.7 - 425.0	USA (Maine)	Monograptus forbesi (516)
Ludlow	426.7 - 422.7	Lithuania	Pristiograptus ludlowensis (207387 207388 207389 207394 207395 207405)
Ludlow	426.7 - 422.7	USA (Maine)	Monograptus forbesi (24793)