PBDB Taxon

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

Pachymeridiidae

Insecta - Hemiptera - Pachymeridiidae

Taxonomy

Pachymeridiidae was named by Handlirsch (1906). It is not extant.

It was assigned to Heteroptera by Handlirsch (1906); to Lygaeoidea by Yao et al. (2006) and Szwedo (2018); and to Pentatomomorpha by Whalley (1985), Popov et al. (1994) and Dai et al. (2022).

Synonyms

Sisyrocoridae was named by Handlirsch (1921).

It was synonymized subjectively with Pachymeridiidae by Popov and Wootton (1977).

It was assigned to Heteroptera by Bode (1953).
Pachymerus zucholdi was named by Giebel (1856). Its type specimen is BMNH In 3567, an exoskeleton, and it is an impression. Its type locality is Strensham, Worcestershire, which is in a Rhaetian marine horizon in the Lilstock Formation of the United Kingdom.

It was considered a nomen dubium by Popov et al. (1994).
Psychrocoridae was named by Handlirsch (1920).

It was synonymized subjectively with Pachymeridiidae by Popov and Wootton (1977).
Hypocimicidae was named by Handlirsch (1921).

It was synonymized subjectively with Pachymeridiidae by Popov and Wootton (1977).

Synonymy list

Year	Name and author
1856	Pachymerus zucholdi Giebel p. 356
1906	Pachymeridiidae Handlirsch p. 495
1920	Psychrocoridae Handlirsch p. 208
1921	Hypocimicidae Handlirsch p. 209
1921	Sisyrocoridae Handlirsch p. 210
1953	Sisyrocoridae Bode
1985	Pachymeridiidae Whalley
1994	Pachymeridiidae Popov et al. p. 327
2006	Pachymeridiidae Yao et al. p. 754
2018	Pachymeridiidae Szwedo p. 113
2022	Pachymeridiidae Dai et al. p. 2

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

Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Ecdysozoa
—	Panarthropoda
phylum	Arthropoda	Latreille 1829
superclass	Hexapoda	Latreille 1825
class	Insecta
—	Dicondylia
—	Paranotalia
subclass	Pterygota	()

Rank	Name	Author
—	Neopterygota	Crampton 1924
infraclass	Neoptera	Martynov 1923
—	Clareocercaria
—	Acercaria	()
superorder	Pancondylognatha
—	Condylognatha
order	Hemiptera
suborder	Heteroptera
infraorder	Pentatomomorpha	Leston et al. 1954
family	Pachymeridiidae
family	Pachymeridiidae

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. †Pachymeridiidae Handlirsch 1906

show all | hide all

G. †Aphanocoris Popov 1990

†Aphanocoris femoratus Popov 1990

†Aphanocoris parallelus Popov 1990

†Aphanocoris porrectus Popov 1990

†Aphanocoris turgensis Popov 1990

G. †Apsicoria Handlirsch 1939

†Apsicoria semideleta Handlirsch 1939

G. †Beipiaocoris Yao et al. 2008

†Beipiaocoris multifurcus Yao et al. 2008

G. †Bellicoris Yao et al. 2008

†Bellicoris mirabilis Yao et al. 2008

G. †Cathalus Handlirsch 1939

†Cathalus alutaceus Handlirsch 1939

G. †Corollpachymeridium Lu et al. 2011

†Corollpachymeridium heteroneurus Lu et al. 2011

G. †Corrivalius Popov 1990

†Corrivalius perbonus Popov 1990

G. †Hypocimex Handlirsch 1939

†Hypocimex membranaceus Handlirsch 1939

G. †Izinabis Shcherbakov 2007

†Izinabis kerzhneri Shcherbakov 2007

G. †Juracipeda Shcherbakov 2007

†Juracipeda popovi Shcherbakov 2007

G. †Neomeridium Popov et al. 1994

†Neomeridium trifurcum Popov et al. 1994

G. †Nitoculus Yao et al. 2008

†Nitoculus regillus Yao et al. 2008

G. †Pachycoridium Popov 1986

†Pachycoridium letum Popov 1986

G. †Pachymeridium Geinitz 1880

†Pachymeridium dubium Geinitz 1880

G. †Peregrinpachymeridium Lu et al. 2011

†Peregrinpachymeridium comitcola Lu et al. 2011

G. †Positocoris Popov 1990

†Positocoris angustus Popov 1990

†Positocoris intermedius Popov 1990

†Positocoris longirostris Popov 1990

†Positocoris minimus Popov 1990

†Positocoris sibiricus Popov 1990

G. †Pronotaphanus Popov 1990

†Pronotaphanus minor Popov 1990

G. †Psychrocoris Handlirsch 1920

†Psychrocoris cuneifera Handlirsch 1920

G. †Saldonabis Shcherbakov 2007

†Saldonabis proteus Shcherbakov 2007

G. †Sinopachymeridium Yao et al. 2006

†Sinopachymeridium popovi Yao et al. 2006

G. †Sisyrocoris Handlirsch 1921

†Sisyrocoris rudis Handlirsch 1921

G. †Takshania Popov 1990

†Takshania implicata Popov 1990

†Takshania modesta Popov 1990

†Takshania transversalis Popov 1990

G. †Varicapitatus Dai et al. 2022

†Varicapitatus sinuolatus Dai et al. 2022

G. †Viriosinervis Yao et al. 2008

†Viriosinervis stolidus Yao et al. 2008

Invalid names: Hypocimicidae Handlirsch 1921 [synonym], Pachymerus zucholdi Giebel 1856 [nomen dubium], Psychrocoridae Handlirsch 1920 [synonym], Sisyrocoridae Handlirsch 1921 [synonym]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

chitinc

Environment:

terrestrialc

Locomotion:

actively mobilep

Created:

2017-04-17 09:56:18

Modified:

2017-04-17 09:56:18

Source: c = class, p = phylum

References: Kiessling 2004, Bush and Bambach 2015

Age range: base of the Rhaetian to the top of the Aptian or 208.50000 to 113.00000 Ma

Collections (29 total)

Time interval	Ma	Country or state	Original ID and collection number
Rhaetian	208.5 - 201.3	United Kingdom (England)	Cimicidae indet. (113961) P. sp. 4 (114643)
Hettangian - Sinemurian	201.3 - 190.8	Kyrgyzstan (Tonskiy)	Saldonabis proteus (105086)
Obtusum	196.5 - 189.6	United Kingdom (England)	Neomeridium trifurcum (114640) P. sp. 1, P. sp. 2, P. sp. 3, Archegocimicidae indet. (114638)
Early/Lower Toarcian	183.0 - 182.0	Germany	Pachymeridium dubium, Sisyrocoris rudis, Hypocimex membranaceus, Apsicoria semideleta, Cathalus alutaceus, Psychrocoris cuneifera (123987)
Early/Lower Toarcian	183.0 - 182.0	Germany (Niedersachsen)	Engerrophorus nitidus (107556) Ischnocoris bitoratus, Euraspidium granulosum, Trachycoris abbreviatus, Mesomphalocoris obtusus (105002) Stiphroschema longealatum, Adelocoris ambiguus (107321)
Callovian - Oxfordian	166.1 - 157.3	China (Nei Mongol)	Nitoculus regillus, Sinopachymeridium popovi (113376) Peregrinpachymeridium comitcola, Corollpachymeridium heteroneurus (113366) Viriosinervis stolidus (113360)
Berriasian - Barremian	145.0 - 125.0	Russian Federation (Yakutiya)	Juracipeda popovi (110818)
Valanginian - Barremian	139.8 - 125.0	Mongolia (Dornogov)	Izinabis kerzhneri (113407)
Hauterivian	132.9 - 129.4	Russian Federation (Chita)	Positocoris intermedius, Aphanocoris turgensis, Aphanocoris porrectus, Corrivalius perbonus (125409)
Late/Upper Barremian	130.0 - 125.45	China (Liaoning)	Beipiaocoris multifurcus, Bellicoris mirabilis (111710) Varicapitatus sinuolatus (226717)
Aptian	125.0 - 113.0	Mongolia (Kobdo aimak)	Pachycoridium letum (104054)
Aptian	125.0 - 113.0	Russian Federation (Buryatia)	Pachymeridiidae indet. (113349 113350)
Aptian	125.0 - 113.0	Russian Federation	Positocoris sibiricus, Takshania implicata, Aphanocoris turgensis, Aphanocoris femoratus (124811)
Early/Lower Aptian	121.4 - 122.46	Mongolia	Aphanocoris turgensis (151646 151647 151648 151649 151650)
Early/Lower Aptian	121.4 - 122.46	Russian Federation (Chita)	Positocoris longirostris, Takshania implicata, Takshania modesta, Takshania transversalis, Aphanocoris turgensis, Aphanocoris porrectus, Aphanocoris femoratus, Aphanocoris parallelus (114316) Positocoris sibiricus (151645) Positocoris sibiricus, Positocoris angustus, Positocoris intermedius, Positocoris minimus, Pronotaphanus minor, Aphanocoris turgensis, Aphanocoris porrectus, Aphanocoris femoratus, Aphanocoris parallelus (119499)