Extinct genus of trilobites
Lonchodomas Temporal range:
Ordovician
PreꞒ
Ꞓ
O
S
D
C
P
T
J
K
Pg
N
L. mcgeheei , Bromide Formation, Oklahoma
Scientific classification
Domain:
Eukaryota
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
† Trilobita
Order:
† Asaphida
Family:
† Raphiophoridae
Genus:
† Lonchodomas Angelin, 1854
Type species
Ampyx rostrata
Species
L. rostratus (Sars, 1835)
L. carinatus Cooper, 1953
L. clavulus Whittington, 1965
L. mcgeheei (Decker, 1931) synonym Ampyx mcgeheei
L. retrolatus Ross jr. & Barnes, 1967
L. suriensis Harrington & Leanza, 1957
L. volborthi (Schmidt, 1894) synonym Ampyx volborthi
Lonchodomas is a genus of trilobites, that lived during the Ordovician. It was eyeless, like all raphiophorids, and had a long straight sword-like frontal spine, that gradually transforms into the relatively long glabella. Both the glabellar spine and the backward directed genal spines are subquadrate in section. Lonchodomas has five thorax segments and the pleural area of the pygidium has two narrow furrows. Lonchodomas occurred in what are today Argentina, Canada (Newfoundland), Estonia, Latvia, Norway, Sweden, the Russian Federation (Leningrad Oblast[1] ) and the United States (Oklahoma, Virginia).
^ A.V. Krylov (2003). "New data on trilobites from Hecker mud mounds (Ordovician) in the Leningrad region (in Russian)". Vestnik Sankt-Petersburgskogo Universiteta, Seriya Geologiya i Geografiya 3(33):95-96
Last Update: 2021-05-06T07:09:22Z
subquadrate in section. Lonchodomas has five thorax segments and the pleural area of the pygidium has two narrow furrows. Lonchodomas occurred in what are...
Word Count : 680
Last Update: 2024-02-09T17:12:10Z
Edmundsonia, Ellsaspis, Endymionia, Globampyx, Jiuxiella, Kanlingia, Lonchodomas , Malinaspis, Malongullia, Mendolaspis, Metalonchodomas, Miaopopsis, Nambeetella...
Word Count : 210
Last Update: 2024-02-26T15:46:54Z
Calyptaulax Calyptaulax annulata Otarion Otarion spinicaudatum Lonchodomas Lonchodomas chaziensis Failleana Failleana calva Sphaerocoryphe Sphaerocoryphe...
Word Count : 79
Last Update: 2022-07-26T03:39:26Z
Middle Ordovician of Newfoundland, Canada where the trilobite species Lonchodomas clavulus or Galbagnostus galba are also present. The base of the Darriwilian...
Word Count : 158
Last Update: 2024-02-13T07:49:48Z
†Lithostrontionella prolifera †Llanoaspis †Llanoaspis convexifrons †Lonchodomas †Lonchodomas carinatus – type locality for species †Longispina †Longispina mucronatus...
Word Count : 3145
Last Update: 2023-11-28T22:38:14Z
Gen. nov Valid Zhou, Zhou & Xiang Ordovician Pagoda Formation China Lonchodomas yichongiaoensis Sp. nov Valid Zhou, Zhou & Xiang Ordovician Pagoda Formation...
Word Count : 7384
Last Update: 2022-10-11T00:19:54Z
Famatinolithus sp. Haploprimitia sp. Hoekaspis sp. Lecanospira sp. Lonchodomas sp. Maclurites sp. Quadrilobella sp. Parapyxion sp. Protocycloceras sp...
Word Count : 355
Last Update: 2024-03-14T03:42:08Z
Harpillaenus sp. Illaenus americanus Isoteloides sp. Isotelus gigas Lonchodomas mcgeheei Nanillaenus punctatus Otarion sp. Pandaspinapyga salsa Pliomerops...
Word Count : 1551
Last Update: 2024-02-22T17:39:37Z
†Holopea †Hyolithes †Illaenus †Isotelus †Kockelella †Krausella †Lingulella †Lonchodomas †Marsupiocrinus †Meristella †Meristina †Monomorphichnus †Orthoceras †Ozarkodina...
Word Count : 1106
Last Update: 2024-01-06T18:39:11Z
†Lachnostoma †Ladatheca †Lehua †Leonardoceras †Leonaspis †Lingula †Lingulella †Lonchodomas †Lotagnostus †Lotagnostus trisectus – or unidentified comparable form...
Word Count : 1320
Last Update: 2024-02-13T07:49:13Z
†Lodanaria floryi †Loganograptus †Lomatopisthia – tentative report †Lonchodomas †Lophonema †Lophonema frydai †Lophophyllum – tentative report †Lophospira...
Word Count : 8728
Last Update: 2024-04-05T18:19:18Z
2007 Edmundsonia Cooper, 1953 Globampyx Fortey, 1975 Kongqiangheia Lonchodomas Angelin, 1854 Mendolaspis Rusconi, 1951 Nanshanaspis Chang & Fan, 1960...
Word Count : 606
Last Update: 2024-05-18T15:54:47Z
Lonchinouyia Lonchobasilicus (=Sinomegalaspis) Lonchocephalus (=Bucksella) Lonchodomas Lonchopygella Longduia Longianda Longicoryphe Longilobus Longiproetus...
Word Count : 5368
Last Update: 2024-04-08T20:37:16Z
report †Linguatornoceras †Linguella †Lingula †Lingulella †Lonchocephalus †Lonchodomas †Luprisca incuba – type locality for species †Mackinnonia †Manticoceras...
Word Count : 828
Last Update: 2022-08-11T22:38:45Z
Ampyx (Cnemidopyge) sp. Asaphus sp. Żary, Lower Silesia Erratic block ?Lonchodomas sp. Żary, Lower Silesia Erratic block Nileus sp. Kårgärde, Dalarna In...
Word Count : 1386
Last Update: 2024-01-16T20:49:58Z
†Lepidodendron †Levisoceras Lingula †Lingulella – tentative report †Llanoaspis †Lonchodomas †Maryvillia †Meteoraspis †Michelinoceras †Microplasma †Miraspis †Naticopsis...
Word Count : 2436
Last Update: 2024-03-23T21:41:15Z
†Liroceras †Lisca Lithophaga †Llistrofus – type locality for genus †Lonchodomas †Lutesvillia †Lysorophus †Macroleter †Macroleter agilis – type locality...
Word Count : 1670
Last Update: 2024-02-13T07:49:38Z
report †Lobomelocrinus †Lobomelocrinus obconicus †Lobomelocrinus rugatus †Lonchodomas †Lophospira †Lophospira conoidea †Lophospira milleri †Lophospira obliqua...
Word Count : 3078
Last Update: 2024-02-13T07:48:25Z
†Lissomarginifera shastensis †Lithostrotion †Lithostrotion pauciradiale †Lonchodomas †Lophospira †Lophospira milleri – or unidentified comparable form †Lophospira...
Word Count : 4079
Last Update: 2024-01-06T18:40:10Z
†Lingulepis †Lingulepis vermontensis †Linnarssonia †Litagnostus †Lonchodomas †Lonchodomas halli †Lophonema †Lophonema circumlirata – type locality for species...
Word Count : 1243
Last Update: 2024-04-25T08:36:19Z
†Kutorgina †Lingula †Lingulella †Lithostrotion †Lithostrotion pauciradiale †Lonchodomas †Meristella †Micromitra †Murchisonia †Neospirifer †Nephrolenellus †Nevadella...
Word Count : 3547
Last Update: 2024-03-23T21:41:26Z
locality for genus †Llistrofus pricei – type locality for species †Lonchodomas †Lonchodomas mcgeheei †Lonchodus †Lophamplexus †Lophamplexus brevifolius – type...
Word Count : 8105