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

Hadragnostus modestus

Artiopoda - Agnostida - Ammagnostidae

Taxonomy
Proagnostus modestus was named by Lochman (1944). It is not extant.

It was recombined as Hadragnostus modestus by Peng and Robison (2000).

Sister species lacking formal opinion data
H. edax, H. helixensis, H. los
Entered
by U. Merkel (authorized by W. Kiessling) on 2012-03-13

Synonyms
Synonymy list
YearName and author
1944Proagnostus modestus Lochman
1984Kunshanagnostus kunshanensis Qian and Zhou
1987Formosagnostus latus Peng
2000Hadragnostus modestus Peng and Robison

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

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaGravenhorst 1843
RankNameAuthor
classArtiopodaHou and Bergstrom
orderAgnostidaSalter 1864
suborderAgnostinaSalter 1864
superfamilyCondylopygoideaRaymond 1913
familyAmmagnostidaeOpik 1967
genusHadragnostusOpik 1967
speciesmodestus(Lochman 1944)

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.

†Hadragnostus modestus Lochman 1944
show all | hide all
Invalid names: Formosagnostus latus Peng 1987 [synonym], Kunshanagnostus kunshanensis Qian and Zhou 1984 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Entire body: yesg
Adult length: 1.0 to < 10g
Adult width: 1.0 to < 10g
Folds: noneg
Ribbing: noneg
Spines: noneg
Internal reinforcement: noneg
Locomotion: slow-movingo
Life habit: epifaunalo
Diet: detritivoreo
Created: 2009-06-08 08:46:59
Modified: 2009-06-08 10:46:59
Source: g = genus, o = order
References: Kiessling 2004, Hendy 2009

Age range: base of the Guzhangian to the top of the Dresbachian or 500.50000 to 486.85000 Ma

Collections (31 total)


Time interval Ma Country or state Original ID and collection number
Guzhangian500.5 - 497.0China (Jiangsu) Kunshanagnostus kunshanensis (127387)
Guzhangian500.5 - 497.0China (Hunan) Formosagnostus latus (128930 128931) Hadragnostus modestus (49174 49176 49177 49178 49179 49181 49182 49184 126314 126317 126318 126322 126323 126324 126325 126346 126439)
Guzhangian500.5 - 497.0China (Yunnan) Hadragnostus modestus (219647)
Dresbachian497.0 - 486.85USA (Wyoming) Hadragnostus modestus (8076)
Dresbachian497.0 - 486.85USA (South Dakota) Hadragnostus modestus (7182 7184 7193 7201 7374 7375 7400 7402 8021)