PBDB Taxon

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

Tersus

Insecta - Coleoptera - Phoroschizidae

Taxonomy

Tersus was named by Martynov (1926). It is not extant. Its type is Tersus crassicornis.

It was assigned to Elateridae by Martynov (1926); to Schizocoleidae by Ponomarenko (1986); and to Schizophoridae by Ponomarenko (1969), Carpenter (1992), Ponomarenko (2006), Ponomarenko (2014).

Species

T. crassicornis (type species), T. crowsoni, T. karatavicus, T. kobdoensis, T. leptocerus, T. minor

Synonymy list

Year	Name and author
1926	Tersus Martynov p. 11
1969	Tersus Ponomarenko p. 163
1986	Tersus Ponomarenko p. 85
1992	Tersus Carpenter
2006	Tersus Ponomarenko
2014	Tersus Ponomarenko p. 1661

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Ecdysozoa	Aguinaldo et al. 1997
—	Panarthropoda
phylum	Arthropoda	Latreille 1829
—	Deuteropoda
—	Mandibulata
—	Pancrustacea	Zrzavý and Štys 1997
—	Altocrustacea	Regier et al. 2010
superclass	Allotriocarida
—	Athalassocarida
—	Labiocarida	Schwentner et al. 2017
superclass	Hexapoda	Latreille 1825
—	Cercofilata
class	Insecta

Rank	Name	Author
—	Dicondylia
—	Paranotalia
subclass	Pterygota	()
—	Neopterygota	Crampton 1924
infraclass	Neoptera	Martynov 1923
—	Holometabola
—	Aparaglossata
—	Neuropteriformia
—	Coleopterida
order	Coleoptera
—	Mesocoleoptera
—	Metacoleoptera
suborder	Archostemata	Kolbe 1908
superfamily	Schizocoleoidea
family	Phoroschizidae
genus	Tersus

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. †Tersus Martynov 1926

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†Tersus crassicornis Martynov 1926

†Tersus crowsoni Ponomarenko 2006

†Tersus karatavicus Ponomarenko 1968

†Tersus kobdoensis Ponomarenko 1986

†Tersus leptocerus Ponomarenko 1968

†Tersus minor Ponomarenko 2014

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 Obtusum to the top of the Aptian or 199.50000 to 113.20000 Ma

Collections (8 total)

Time interval	Ma	Country or state	Original ID and collection number
Obtusum	199.5 - 192.9	United Kingdom (England)	T. crowsoni (114638)
Callovian - Oxfordian	165.3 - 154.8	Kazakhstan (Chimkent)	T. crassicornis (115792) T. karatavicus (105970) T. karatavicus, T. leptocerus (105971 106101) T. leptocerus (106102)
Tithonian	149.2 - 143.1	Mongolia	T. minor (104748)
Aptian	121.4 - 113.2	Mongolia (Govi-Altai)	T. kobdoensis (122332)