PBDB Taxon

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

Mesojassus

Insecta - Hemiptera - Archijassidae

Taxonomy

Mesojassus was named by Tillyard (1916). Its type is Mesojassus ipsviciensis.

It was assigned to Jassidae by Tillyard (1916) and Tillyard (1919); to Cicadellidae by Tillyard (1923); to Archijassidae by Hamilton (1992); and to Archijassinae by Shcherbakov (2012) and Lambkin (2020).

Species

M. australis (syn. Hylicella reducta, Triassocotis amplicata), M. ipsviciensis (syn. Triassocotis stricta, Triassojassus proavitus) (type species)

Synonyms

Triassojassus was named by Tillyard (1919).

It was synonymized subjectively with Mesojassus by Lambkin (2020).

It was assigned to Jassidae by Tillyard (1919); to Cicadellidae by Tillyard (1923); to Chiliocyclidae by Evans (1956); to Cercopoidea by Hamilton (1992); and to Archijassinae by Shcherbakov (2012).
Triassocotis was named by Evans (1956).

It was synonymized subjectively with Mesojassus by Lambkin (2020).

It was assigned to Scytinopteridae by Evans (1956); and to Hylicellidae by Hamilton (1992).
Hylicellites was named by Becker-Migdisova (1962).

It was synonymized subjectively with Mesojassus by Lambkin (2020).

It was assigned to Hylicellidae by Becker-Migdisova (1962); and to Jascopidae by Hamilton (1992).

Synonymy list

Year	Name and author
1916	Mesojassus Tillyard
1919	Mesojassus Tillyard
1919	Triassojassus Tillyard
1923	Mesojassus Tillyard
1923	Triassojassus Tillyard
1956	Triassocotis Evans p. 194
1956	Triassojassus Evans p. 209
1962	Hylicellites Becker-Migdisova p. 95
1992	Hylicellites Hamilton p. 428
1992	Mesojassus Hamilton p. 428
1992	Triassocotis Hamilton p. 428
1992	Triassojassus Hamilton p. 428
2012	Mesojassus Shcherbakov p. 16
2012	Triassojassus Shcherbakov p. 16
2020	Mesojassus Lambkin p. 415

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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	()
—	Neopterygota	Crampton 1924

Rank	Name	Author
infraclass	Neoptera	Martynov 1923
—	Clareocercaria
—	Acercaria	()
superorder	Pancondylognatha
—	Condylognatha
order	Hemiptera
suborder	Auchenorrhyncha	()
infraorder	Cicadomorpha	Evans 1946
superfamily	Membracoidea	Rafinesque 1815
family	Archijassidae
subfamily	Archijassinae
genus	Mesojassus

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.

G. †Mesojassus Tillyard 1916

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†Mesojassus australis Evans 1956

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Invalid names: Hylicella reducta Evans 1956 [synonym], Triassocotis amplicata Evans 1961 [synonym]

†Mesojassus ipsviciensis Tillyard 1916

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Invalid names: Triassocotis stricta Evans 1961 [synonym], Triassojassus proavitus Tillyard 1919 [synonym]

Invalid names: Hylicellites Becker-Migdisova 1962 [synonym], Triassocotis Evans 1956 [synonym], Triassojassus Tillyard 1919 [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: Norian or 228.00000 to 208.50000 Ma

Collections (6 total)

Time interval	Ma	Country or state	Original ID and collection number
Norian	228.0 - 208.5	Australia (Queensland)	M. australis (162402) M. ipsviciensis (111777) M. ipsviciensis, Hylicella reducta, Triassocotis australis, Triassocotis stricta, Triassocotis amplicata (106484) M. ipsviciensis, M. australis (162405 224015) Triassojassus proavitus (111558)