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Homalonotidae

Trilobita - Phacopida - Homalonotidae

Synonymy list
YearName and author
1890Homalonotidae Chapman
1957Homalonotidae Harrington and Leanza
1997Homalonotidae Whittington et al. p. 300
2002Homalonotidae Jell and Adrain p. 472
2011Homalonotidae Adrain p. 106

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
suborderCalymeninaSwinnerton 1915
familyHomalonotidaeChapman 1890
familyHomalonotidaeChapman 1890

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.

Fm. †Homalonotidae Chapman 1890
show all | hide all
G. †Arduennella Wenndorf 1990
G. †Burmeisterella Reed 1918
+
Burmeisterella armata Burmeister 1843
Subfm. †Colpocoryphinae Hupe 1955
+
G. †Colpocoryphe Novak and Perner 1918
+
Colpocoryphe adisol Šnajdr 1984
Colpocoryphe arago Rouault 1849
Colpocoryphe bohemica Vanek 1965
Colpocoryphe grandis Snajdr 1956
Colpocoryphe inopinata Novak and Perner 1918
Colpocoryphe rouaulti Henry 1970
Colpocoryphe taylorum Fortey and Owens 1987
Colpocoryphe thorali Dean 1966
G. †Plaesiacomia Hawle and Corda 1847
+
Plaesiacomia hesselinki Hammann 1983
Plaesiacomia hughesi Thomas 1977
Plaesiacomia oehlerti Kerforne 1900
Plaesiacomia rara Hawle and Corda 1847
Plaesiacomia vacuvertis Thomas 1977
Subfm. †Eohomalonotinae Hupe 1953
+
G. †Calymenella Bergeron 1890
+
Calymenella alcantarae Hammann and Henry 1978
Calymenella bayani Tromelin and Lebesconte 1875
Calymenella boisseli Bergeron 1890
Calymenella zaplensis Harrington and Leanza 1957
G. †Eohomalonotus Reed 1918
+
Eohomalonotus brongniarti Deslongchamps 1825
Eohomalonotus incertus Bigot 1888
Eohomalonotus sdzuyi Hammann and Henry 1978
Eohomalonotus vicaryi Salter 1865
Eohomalonotus villicumensis Baldis and Blasco 1975
Subfm. †Homalonotinae Chapman 1890
+
G. †Brongniartella Reed 1918
+
Brongniartella minor Salter 1852
Brongniartella platynota Dalman 1828
Brongniartella robusta Lespérance 1968
Invalid names: Pamirotellus Balashova 1968 [synonym], Portaginus Lesperance 1968 [synonym]
G. †Burmeisteria Salter 1865
G. †Digonus Guerich 1909
+
Digonus comes Chlupac 1981
Digonus roemeri de Koninck 1876
Digonus zemmourensis Pillet 1961
G. †Dipleura Green 1832
+
Dipleura dekayi Green 1832
G. †Homalonotus König 1825
+
Homalonotus bisulcatus McCoy 1851
Homalonotus harrisoni McCoy 1876
Invalid names: Koenigia Salter 1965 [objective synonym]
G. †Parahomalonotus Reed 1918
+
Parahomalonotus calvus Chatterton et al. 2006
Parahomalonotus forbesi Rouault 1855
Parahomalonotus gervillei de Verneuil 1850
Parahomalonotus vialai Gosselet 1912
G. †Platycoryphe Foerste 1919
+
Platycoryphe bohemica Barrande 1852
Platycoryphe christyi Hall 1860
Platycoryphe dangeardi Henry 1971
Platycoryphe dyaulax Thomas 1977
Platycoryphe heberti Lebesconte 1887
Platycoryphe platycephala Foerste 1910
Platycoryphe vieillardi Tromelin 1877
Platycoryphe vulcani Murchison 1839
Invalid names: Liangshanaspis Zhang 1974 [synonym]
G. †Trimerus Green 1832
G. †Wenndorfia Sandford 2005
+
Wenndorfia angusticostatus Tomczykowa 1975
Wenndorfia bostoviensis Tomczykowa 1975
Wenndorfia miloni Renaud 1942
Wenndorfia mutabilis Koch 1880
G. †Iberocoryphe Hammann 1977
+
Iberocoryphe bonissenti Morière 1885
Iberocoryphe deslongchampsi Tromelin 1877
Iberocoryphe fugitivus Tromelin 1877
Iberocoryphe serratus Tromelin 1877
Iberocoryphe verneuili Hammann 1977
G. †Kerfornella Henry 1976
+
Kerfornella barrandei Hammann 1983
Kerfornella brevicaudata Deslongchamps 1825
Kerfornella miloni Henry 1976
Subfm. †Kerfornellinae Henry 1980
+
G. †Huemacaspis Pribyl and Vanek 1980
+
Huemacaspis bistrami Hoek 1912
G. †Leiostegina Kobayashi 1937
G. †Scabrella Wenndorf 1990
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Entire body: yesf
Adult width: 10 to < 100f
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingc
Life habit: low-level epifaunalc
Diet: carnivorec
Vision: well-developedf
Comments: BODY SIZE: Based on component genera; 3 of 3 genera share 10 to < 100 width, inconsistent length.f
Created: 2009-06-11 19:54:32
Modified: 2009-12-16 01:06:20
Source: f = family, c = class
References: Hendy 2009, Aberhan et al. 2004

Age range: base of the Arenig to the top of the Frasnian or 478.60000 to 372.20000 Ma

Collections (547 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Tremadoc486.5 - 477.7Argentina (Jujuy) Calymenella zaplensis (9062)
Tremadoc486.5 - 477.7China (JiangXi) Platycoryphe sp. (7759)
Tremadocian485.4 - 477.7Morocco Colpocoryphe sp. (235487)
Tremadocian485.4 - 477.7Morocco (Anti-Atlas) Colpocoryphe sp. (166727)
Arenig478.6 - 466.0Bolivia (Avilés) Colpocoryphe sp. (9104)
Arenig478.6 - 466.0France (Loire-Atlantique, Ille-et-Vilaine, and Manche) Platycoryphe sp. (20864)
Arenig478.6 - 466.0France (Montagne Noire) Colpocoryphe sp. (20823) Colpocoryphe sp., Platycoryphe sp. (20826)
Arenig478.6 - 466.0United Kingdom (England) Colpocoryphe sp. (3704)
Arenig478.6 - 466.0Morocco Colpocoryphe sp. (20979 20997 56608)
Arenig478.6 - 466.0Argentina Colpocoryphe sp. (8777 8875)

Youngest occurrences

Time interval Ma Country or state PBDB collection number
Middle Devonian393.3 - 382.7USA (New York) Dipleura dekayi (91225 91232 91234 91235 91249 91274)
Givetian387.7 - 382.7USA (New York) Dipleura dekayi (8727 8808 8809 8811 8812 8813 8814 8817 8818 8819 8820 8822 8823 8825 8830 8832 8913 8917 8919 8959 8960 8961 8962 8963 8964 8965 8967 8968 8969 8970 8971 8972 9018 9029 10459 89657 89658 89660 89661 89668 89699 89741 89876 89886 89940 96209) Dipleura sp. (10540 10543)
Givetian387.7 - 382.7USA (Pennsylvania) Trimerus dekayi (9657 9661 9674 9707 9896 9897 9898 9902 9905 9907 9924 9926) Trimerus sp. (627 669 670)
Givetian387.7 - 382.7Spain (Aragon) Trimerus lanvoiensis (40446)
Givetian387.7 - 382.7Libya Dipleura sp. (36185)
Givetian387.7 - 382.7Brazil (Para) Homalonotus sp. (37173)
Givetian387.7 - 382.7France (Alsace) Dipleura lanvoiensis (40074)
Frasnian382.7 - 372.2Colombia (Boyaca) Homalonotus sp. (36012)
Frasnian382.7 - 372.2South Africa (Eastern Cape) Trimerus sp. (77958)
Late/Upper Givetian380.2 - 382.7Libya Dipleura sp. (35628)