PBDB Taxon

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Lecorium elongatum

Insecta - Notoptera - Lemmatophoridae

Taxonomy

Lecorium elongatum was named by Sellards (1909). Its type specimen is Sellards 524, a forewing, and it is an impression. Its type locality is Elmo, Sellards collection, which is in an Artinskian pond limestone in the Wellington Formation of Kansas. It is the type species of Lecorium.

Synonyms

Stemma elegans was named by Sellards (1909). Its type specimen is Sellards 31, a forewing, and it is an impression. Its type locality is Elmo, Sellards collection, which is in an Artinskian pond limestone in the Wellington Formation of Kansas.

It was synonymized subjectively with Lecorium elongatum by Tillyard (1928), Storozhenko (1998).
Stemma extensa was named by Sellards (1909). Its type specimen is Sellards 1272, a forewing, and it is an impression. Its type locality is Elmo, Sellards collection, which is in an Artinskian pond limestone in the Wellington Formation of Kansas.

It was synonymized subjectively with Lecorium elongatum by Tillyard (1928), Storozhenko (1998).
Sellardsia kansasensis was named by Tillyard (1928). Its type specimen is YPM 5266, a forewing, and it is an impression. Its type locality is Elmo, YPM 1921 collection, which is in an Artinskian pond limestone in the Wellington Formation of Kansas.

It was synonymized subjectively with Lecorium elongatum by Carpenter (1935), Storozhenko (1998).
Sellardsia lecorioides was named by Tillyard (1928). Its type specimen is YPM 5271, a forewing, and it is an impression. Its type locality is Elmo, YPM 1921 collection, which is in an Artinskian pond limestone in the Wellington Formation of Kansas.

It was synonymized subjectively with Lecorium elongatum by Carpenter (1935), Storozhenko (1998).
Paralecorium parvum was named by Handlirsch (1937). It is an impression.

It was synonymized subjectively with Lecorium elongatum by Carpenter (1939), Storozhenko (1998).
Metalecorium confusum was named by Handlirsch (1937). It is an impression. Its type locality is Elmo, YPM 1921 collection, which is in an Artinskian pond limestone in the Wellington Formation of Kansas.

It was synonymized subjectively with Lecorium elongatum by Carpenter (1939), Storozhenko (1998).
Sellardsia separanda was named by Handlirsch (1937). It is an impression. Its type locality is Elmo, YPM 1921 collection, which is in an Artinskian pond limestone in the Wellington Formation of Kansas.

It was synonymized subjectively with Lecorium elongatum by Carpenter (1939), Storozhenko (1998).
Sellardsia abnormis was named by Handlirsch (1937). It is an impression. Its type locality is Elmo, YPM 1921 collection, which is in an Artinskian pond limestone in the Wellington Formation of Kansas.

It was synonymized subjectively with Lecorium elongatum by Carpenter (1939), Storozhenko (1998).
Metalecorium anomalum was named by Handlirsch (1937). It is an impression. Its type locality is Elmo, YPM 1921 collection, which is in an Artinskian pond limestone in the Wellington Formation of Kansas.

It was synonymized subjectively with Lecorium elongatum by Carpenter (1939).

Synonymy list

Year	Name and author
1909	Lecorium elongatum Sellards p. 167 fig. 26
1909	Stemma elegans Sellards p. 168 fig. 27
1909	Stemma extensa Sellards p. 168
1922	Lecorium elongatum Handlirsch p. 93
1922	Stemma elegans Handlirsch p. 93
1922	Stemma extensa Handlirsch p. 93
1928	Lecorium elongatum Tillyard p. 341 figs. 16-18
1928	Sellardsia kansasensis Tillyard p. 344 figs. 19-21
1928	Sellardsia lecorioides Tillyard p. 345 fig. 22
1937	Metalecorium anomalum Handlirsch p. 96
1937	Paralecorium parvum Handlirsch p. 96
1937	Metalecorium confusum Handlirsch p. 97
1937	Sellardsia abnormis Handlirsch p. 97
1937	Sellardsia separanda Handlirsch p. 97
1939	Lecorium elongatum Carpenter p. 69
1998	Lecorium elongatum Storozhenko p. 80 figs. 132-135

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Ecdysozoa	Aguinaldo et al. 1997
—	Panarthropoda
phylum	Arthropoda	Gravenhorst 1843
—	Deuteropoda
—	Mandibulata
—	Pancrustacea	Zrzavý and Štys 1997
—	Altocrustacea	Regier et al. 2010
superclass	Allotriocarida
—	Athalassocarida
—	Labiocarida	Schwentner et al. 2017
superclass	Hexapoda	Latreille 1825

Rank	Name	Author
—	Cercofilata
class	Insecta
—	Dicondylia
—	Paranotalia
subclass	Pterygota	()
—	Neopterygota	Crampton 1924
infraclass	Neoptera	Martynov 1923
—	Polyneoptera	Martynov 1938
order	Notoptera	Crampton 1915
order	Grylloblattodea	Walker 1914
family	Lemmatophoridae
subfamily	Parapriscinae	Carpenter 1950
genus	Lecorium
species	elongatum

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.

†Lecorium elongatum Sellards 1909

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Invalid names: Metalecorium anomalum Handlirsch 1937 [synonym], Metalecorium confusum Handlirsch 1937 [synonym], Paralecorium parvum Handlirsch 1937 [synonym], Sellardsia abnormis Handlirsch 1937 [synonym], Sellardsia kansasensis Tillyard 1928 [synonym], Sellardsia lecorioides Tillyard 1928 [synonym], Sellardsia separanda Handlirsch 1937 [synonym], Stemma elegans Sellards 1909 [synonym], Stemma extensa Sellards 1909 [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: Artinskian or 290.10000 to 283.30000 Ma

Collections (6 total)

Time interval	Ma	Country or state	Original ID and collection number
Artinskian	290.1 - 283.3	USA (Kansas)	Lecorium elongatum (111217 111320 114151 114152) Lecorium elongatum, Sellardsia kansasensis, Sellardsia lecorioides, Metalecorium confusum, Sellardsia separanda, Sellardsia abnormis, Metalecorium anomalum (111219) Lecorium elongatum, Stemma elegans, Stemma extensa (type locality: 21979)