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Mecochiridae

Malacostraca - Decapoda - Mecochiridae

Synonymy list
YearName and author
1925Mecochiridae Van Straelen
1989Mecochiridae Aguirre-Urreta p. 534
1992Mecochiridae Collins and Wienberg Rasmussen p. 7
1992Mecochiridae Feldmann and Keys p. 9
2010Mecochiridae Schweitzer et al. p. 402
2015Mecochiridae Feldmann et al. p. 21
2016Mecochiridae Robin et al. p. 11

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaGravenhorst 1843
—Deuteropoda
—Mandibulata
—PancrustaceaZrzavý and Štys 1997
—Hymenostraca(Rolfe 1969)
RankNameAuthor
superclassMulticrustaceaRegier et al. 2010
classMalacostraca()
subclassEumalacostracaGrobben 1892
—CaridoidaHessler 1982
orderDecapoda
suborderPleocyemataBurkenroad 1963
—Reptantia(Boas)
infraorderGlypheideaWinckler 1882
superfamilyGlypheoideaWinckler 1882
familyMecochiridaeVan Straelen 1925
familyMecochiridaeVan Straelen 1925

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. †Mecochiridae Van Straelen 1925
show all | hide all
G. †Atherfieldastacus Robin et al. 2016
+
†Atherfieldastacus rapax Harbort 1905
Invalid names: Meyerella Simpson 1985 [synonym]
G. †Eumorphia von Meyer 1847
+
†Eumorphia clypeatus Carter 1898
†Eumorphia fabianmuelleri Charbonnier et al. 2025
†Eumorphia houdardi van Straelen 1936
†Eumorphia lophia Frantescu et al. 2018
†Eumorphia olifex Quenstedt 1856
†Eumorphia socialis Von Meyer 1841
Invalid names: Carcinium Meyer 1841 [replaced], Romaniacheiros Frantescu et al. 2018 [synonym]
G. †Huhatanka Feldmann and West 1978
+
†Huhatanka australis Schweitzer et al. 2022
†Huhatanka kiowana Scott 1970
G. †Jabaloya Garassino et al. 2009
+
†Jabaloya aragonensis Garassino et al. 2009
G. †Mecochirus Germar 1827
+
†Mecochirus cenomanicus Charbonnier et al. 2023
†Mecochirus chilensis Forster and Von Hillebrandt 1984
†Mecochirus dubius Munster 1839
†Mecochirus eckerti Frentzen 1937
†Mecochirus foresti Secretan 1968
†Mecochirus germari Garassino 1996
†Mecochirus grandis Quenstedt 1856
†Mecochirus leionoton Krause 1891
†Mecochirus longimanatus Schlotheim 1822
+
Invalid names: Mecochirus baieri Germar 1827 [synonym], Mecochirus brevimanus Munster 1839 [synonym], Mecochirus locusta Germar 1827 [synonym], Megachirus brevimanus Munster 1839 [synonym], Pterochirus remimanus Munster 1836 [synonym]
†Mecochirus marwicki Glaessner 1960
†Mecochirus minimus Hee 1924
†Mecochirus pearcei McCoy 1849
†Mecochirus peytoni Woodward 1876
†Mecochirus robbianoi Pagani et al. 2011
†Mecochirus rostratus Collins and Wienberg Rasmussen 1992
†Mecochirus tuberculatus Garassino et al. 2021
Mecochirus tuberculatus Garassino et al. 2021
Mecochirus tuberculatus Garassino et al. 2021
Mecochirus tuberculatus Garassino et al. 2021
Invalid names: Carciniellum Strand 1928 [synonym], Mecochiria [synonym], Megachirus Bronn 1836 [synonym], Norna Munster 1840 [synonym], Pterochirus Munster 1839 [synonym]
G. †Meyeria M'Coy 1849
+
†Meyeria bolivari Van Straelen 1927
†Meyeria crofti Ball 1960
†Meyeria gracilis Glaessner 1932
†Meyeria harveyi Woodward 1900
†Meyeria hurtrelleorum Charbonnier et al. 2023
†Meyeria ornata Phillips 1829
†Meyeria ornatus Phillips 1829
†Meyeria pueblaensis Feldmann and Vega 1995
†Meyeria vectensis Bell 1863
G. †Selenisca Von Meyer 1874
+
†Selenisca gratiosa Von Meyer 1847
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: chitinc
Locomotion: actively mobilec
Life habit: infaunalf
Diet: carnivoreo
Vision: well-developedc
Created: 2022-11-16 16:10:18
Modified: 2022-11-16 16:10:18
Source: f = family, o = order, c = class
References: Turnsek 1997, Aberhan 1992, Fearon and Clapham 2023

Age range

Maximum range based only on fossils: base of the Semicostatum to the top of the Ypresian or 199.50000 to 48.07000 Ma
Minimum age of oldest fossil (stem group age): 192.9 Ma

Collections (85 total)


Time interval Ma Country or state Original ID and collection number
Bucklandi199.5 - 192.9Italy Mecochirus sp. (90673)
Semicostatum - Turneri199.5 - 192.9Germany Mecochirus olifex (275738)
Falciferum184.2 - 182.9Argentina (Chubut) Mecochirus robbianoi (111190)
Opalinum174.7 - 170.9Switzerland Mecochirus eckerti (35832 35835 35837 35838 35841 35847 35854 138777 138778)
Middle Jurassic174.7 - 161.5United Kingdom (Gloucestershire) Mecochirus pearcei (204062)
Bathonian168.2 - 165.3United Kingdom (England) Gebia clypeatus (275739 275741)
Callovian165.3 - 161.5France Eumorphia socialis (275736)
Early/Lower Callovian165.3 - 161.5Germany Eumorphia fabianmuelleri (275742)
Late/Upper Callovian165.3 - 161.5Russian Federation (Ryazan) Eumorphia sp. (221308)
Middle Callovian - Late/Upper Callovian165.3 - 161.5Germany Carcinium sociale (275735)
Heterian164.3 - 154.5New Zealand (Kawhia) Mecochirus marwicki (35731)
Heterian164.3 - 154.5New Zealand (North Island) Mecochirus marwicki (202170)
Early/Lower Oxfordian161.5 - 154.8United Kingdom (England) Mecochirus socialis (93210 191842 191843)
Middle Oxfordian161.5 - 154.8France (Normandy) Mecochirus sp. (4857 4911)
Oxfordian161.5 - 154.8USA (Wyoming) Mecochirus sp. (162922)
Oxfordian161.5 - 154.8United Kingdom (England) Eumorphia socialis (275737)
Late/Upper Oxfordian157.9 - 154.8Spain (Aragón) Jabaloya aragonensis (127501)
Late/Upper Oxfordian157.9 - 154.8France Meyeria hurtrelleorum (232211)
Kimmeridgian154.8 - 149.2Portugal Mecochirus sp. (8673)
Puaroan150.0 - 143.1New Zealand Mecochirus marwicki (63754)
Puaroan150.0 - 143.1New Zealand (North Island) Mecochirus sp. (202171)
Early/Lower Tithonian149.2 - 145.06Germany (Bavaria) Mecochirus longimanatus (152603)
Early/Lower Tithonian149.2 - 145.06Germany (Bayern) Mecochirus longimanatus, Mecochirus dubius (105541)
Early/Lower Cretaceous143.1 - 100.5Germany Meyeria ornata (190081 221737)
Early/Lower Cretaceous143.1 - 100.5Canada (British Columbia) Mecochirus tuberculatus (235327)
Late/Upper Berriasian - Valanginian139.1 - 132.6Germany Mecochirus rapax (95087)
Early/Lower Valanginian137.05 - 132.6Spain Atherfieldastacus rapax (226432)
Valanginian137.05 - 132.6France (Montbazin (Herault)) Meyeria sp. (139197)
Late/Upper Valanginian - Early/Lower Hauterivian137.05 - 125.77Argentina Meyerella rapax (65445 65447 66646)
Early/Lower Hauterivian132.6 - 125.77Germany Mecochirus ornatus (50181 91586)
Hauterivian132.6 - 125.77France (Yonne) Meyeria ornata (139205)
Hauterivian132.6 - 125.77United Kingdom Meyeria magna (226220)
Early/Lower Aptian121.4 - 119.57Spain Atherfieldastacus magnus (235299) Meyeria ornata, Atherfieldastacus magnus (235300)
Early/Lower Aptian121.4 - 119.57United Kingdom (England) Meyeria magna (226223)
Early/Lower Aptian121.4 - 119.57Spain (Castelló) Meyeria bolivari (233185)
Early/Lower Aptian121.4 - 119.57Mexico (Puebla) Atherfieldastacus magnus (228379)
Aptian121.4 - 113.2Mexico (Puebla) Meyeria pueblaensis (64014 64015 133550)
Aptian121.4 - 113.2United Kingdom (England) Atherfieldastacus magnus (240552) Meyeria magna (1748) Meyeria ornata, Atherfieldastacus magnus (240553)
Aptian121.4 - 113.2Mexico (Chihuahua) Meyeria mexicana (133549)
Late/Upper Aptian119.57 - 113.2Spain Atherfieldastacus magnus (236856)
Late/Upper Aptian119.57 - 113.2Colombia Meyeria magna (133329)
Late/Upper Aptian119.57 - 113.2Mexico (Chihuahua) Meyeria mexicana (140676)
Early/Lower Albian113.2 - 110.1Colombia (Santander) Mecochiridae indet. (235890)
Early/Lower Albian113.2 - 110.1France (Marne) Mecochirus houdardi (233997)
Albian113.2 - 100.5Switzerland Mecochirus houdardi (275743)
Albian113.2 - 100.5France (Doubs) Mecochirus houdardi (233998)
Albian113.2 - 100.5France (Haute-Marne) Mecochirus houdardi (139708)
Albian113.2 - 100.5USA (Kansas) Huhatanka kiowana (235875 235876)
Cenomanian100.5 - 93.9Mexico (Hidalgo) Mecochirus sp. (133548)
Middle Cenomanian100.5 - 93.9France Mecochirus cenomanicus (232721)
Early/Lower Campanian83.6 - 72.2Antarctica Meyeria crofti (235418 235422)
Early/Lower Campanian83.6 - 72.2USA (Texas) Mecochiridae indet. (3906)
Early/Lower Campanian - Middle Campanian83.6 - 72.2Antarctica Meyeria crofti (66658)
Late/Upper Campanian83.6 - 72.2Greenland Mecochirus rostratus (70235)
Late/Upper Campanian - Early/Lower Maastrichtian83.6 - 66.0Canada (British Columbia) Meyeria harveyi (123792)
Maastrichtian72.2 - 66.0Greenland Mecochirus rostratus (70218 70221 70223 70240 149175 149176)
Ypresian56.0 - 48.07United Kingdom (Kent) Meyeria magma (147826)