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

Isograptus

Pterobranchia - Graptoloidea - Isograptidae

Taxonomy
Isograptus was named by Moberg (1892) [Sepkoski's age data: O Aren-u O Llvi-u]. It is not extant. Its type is Didymograptus gibberulus.

It was assigned to Graptoloidea by Sepkoski (2002); and to Isograptidae by Toro et al. (2020).

Species
I. gibberulus, I. victoriae
Species lacking formal opinion data
I. forcipiformis, I. manubriatus, I. schrenki, I. walcottorum

Synonymy list
YearName and author
1892Isograptus Moberg
2002Isograptus Sepkoski
2020Isograptus Toro et al. p. 155

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumHemichordataBateson 1885
RankNameAuthor
classPterobranchiaLankester 1877
subclassGraptolithina(Bronn 1849)
orderGraptoloideaLapworth 1875
suborderGlossograptinaJaanuson 1960
familyIsograptidaeHarris 1933
genusIsograptusMoberg 1892

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. †Isograptus Moberg 1892
show all | hide all
†Isograptus gibberulus Nicholson 1875
Diagnosis
ReferenceDiagnosis
B. A. Toro et al. 2020Reclined two-stiped isograptids; dextral, thecae simple with rutellate apertures, shorter and wider in earlier species, with thecal length increasing in later species; proximal development type isograptid, dextral, with low prosicular origin of th1(1), rarely sinistral.
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 Floian to the top of the Whiterockian or 477.10000 to 457.30000 Ma

Collections (84 total)


Time interval Ma Country or state Original ID and collection number
Lancefieldian - Bendigonian484.3 - 473.1New Zealand I. victoriae (63190)
Ningkuo478.8 - 466.6China (JiangXi) I. sp. (7763)
Ningkuo478.8 - 466.6China (ZheJiang) I. sp. (7806 7813)
Floian477.1 - 471.3USA (Idaho) I. sp. (121051)
Floian - Dapingian477.1 - 469.4Russian Federation (Siberia) I. gibberulus (206142)
Arenig477.1 - 468.0USA (Nevada) I. forcipiformis, I. gibberulus (412)
Arenig477.1 - 468.0Norway I. sp. (3181 3182)
Arenig477.1 - 468.0China (GuangDong) I. sp. (4674 4678)
Arenig477.1 - 468.0China (GanSu) I. sp. (8568 8576)
Arenig477.1 - 468.0Morocco I. sp. (20979)
Arenig477.1 - 468.0China (QingHai) I. sp. (8687)
Arenig477.1 - 468.0China (Hunan) I. sp. (7700)
Arenigian477.1 - 468.0Canada (Northwest Territories) I. sp. (25517)
Arenig - Llandeilo477.1 - 458.2China (XinJiang) I. sp. (20794)
Arenigian - Llanvirn477.1 - 458.2Canada (Northwest Territories) I. caduceus (25297)
Arenigian - Llanvirn477.1 - 458.2USA (Alaska) I. forcipiformis, I. caduceus (114857)
Chewtonian - Castlemainian473.1 - 470.3USA (Idaho) I. victoriae (145223)
Castlemainian471.3 - 470.3New Zealand I. forcipiformis, I. victoriae (63284) I. victoriae (63196 63197 63203 63285 63364)
Rangerian471.3 - 470.3USA (British Columbia) I. forcipiformis (149567)
Castlemainian - Yapeenian471.3 - 469.4USA (Idaho) I. sp. (145226) I. victoriae (145225 145326)
Castlemainian - Yapeenian471.3 - 469.4New Zealand I. sp., I. victoriae (63283)
Dapingian471.3 - 469.4Argentina (Salta) I. sp. (214254)
Dapingian471.3 - 469.4Russian Federation (Siberia) I. forcipiformis, I. paraboloides, I. sp., I. gibberulus (205380) I. gibberulus (206141) I. hemicyclus, I. schrenki, I. sp., I. imitata, I. gibberulus (205563) I. paraboloides, I. walcottorum, I. maximo, I. schrenki, I. sp., I. primulus, I. reduncus, I. elegans, I. divergens (205387) I. sp. (206146)
Whiterockian471.3 - 457.3USA (Texas) I. victoriae, I. maximodivergens (210164)
Whiterockian471.3 - 457.3Canada (Newfoundland and Labrador) I. forcipiformis (104865)
Yapeenian470.3 - 469.4New Zealand I. forcipiformis, I. victoriae (63326) I. sp. (63365) I. sp., I. victoriae (63282 63327 63366) I. victoriae (63199 63200 63201 63202 63279 63281 63328 63329 63330 63331 63334 63360 63361 63362 63363 63367 63368 63370)
Darriwilian469.4 - 458.2China (JiangXi) I. sp. (7753)
Darriwilian469.4 - 458.2Australia (New South Wales) I. divergens (219786)
Darriwilian469.4 - 458.2Russian Federation (Gorny Altai) I. sp., I. gibberulus (194973)
Darriwilian469.4 - 458.2New Zealand I. victoriae (63278)
Darriwilian469.4 - 458.2Russian Federation (Siberia) I. paraboloides, I. sp., I. gibberulus (205379) I. sp. (205561) I. sp., I. gibberulus (206166)
Early/Lower Llanvirn468.0 - 461.1Argentina I. sp. (8871)
Early/Lower Llanvirn468.0 - 461.1China (QingHai) I. sp. (8686)
Llanvirn468.0 - 458.2Argentina I. sp. (8888)
Llanvirn468.0 - 458.2China (XinJiang) I. sp. (20805)
Llanvirn468.0 - 458.2USA (New York) I. sp. (303)
Llanvirn468.0 - 458.2USA (Alaska) I. manubriatus (114859)
Llanvirn468.0 - 458.2China (GanSu) I. sp. (8563 8567)
Llanvirn468.0 - 458.2Canada (Newfoundland and Labrador) I. sp. (78098)
Llandeilo461.1 - 458.2China (Gansu) I. sp. (23587)
Llandeilian - Caradoc461.1 - 449.5USA (Alaska) I. sp. (114860)
Gisbornian458.2 - 452.3USA (Idaho) I. sp. (145331)
Caradoc458.2 - 449.5USA (Alaska) I. sp. (114851)
Caradoc458.2 - 449.5Canada (Yukon) I. sp. (25171)