PBDB Taxon

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Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Lecorium

Insecta - Notoptera - Lemmatophoridae

Taxonomy

Lecorium was named by Sellards (1909). Its type is Lecorium elongatum.

It was assigned to Lecoriidae by Handlirsch (1919), Handlirsch (1922); to Lemmatophoridae by Tillyard (1928), Carpenter (1992); and to Parapriscinae by Storozhenko (1997), Storozhenko (1998).

Species

L. elongatum (syn. Sellardsia lecorioides, Paralecorium parvum, Sellardsia separanda, Stemma elegans, Sellardsia kansasensis, Sellardsia abnormis, Stemma extensa, Metalecorium anomalum, Metalecorium confusum) (type species)

Synonyms

Stemma was named by Sellards (1909).

It was synonymized subjectively with Lecorium by Tillyard (1928), Carpenter (1992), Storozhenko (1998).

It was assigned to Lecoriidae by Handlirsch (1919), Handlirsch (1922).
Sellardsia was named by Tillyard (1928).

It was synonymized subjectively with Lecorium by Carpenter (1992), Storozhenko (1998).

It was assigned to Lemmatophoridae by Tillyard (1928).
Paralecorium was named by Handlirsch (1937).

It was synonymized subjectively with Lecorium by Carpenter (1939), Carpenter (1992), Storozhenko (1998).
Metalecorium was named by Handlirsch (1937).

It was synonymized subjectively with Lecorium by Carpenter (1939), Carpenter (1992), Storozhenko (1998).

Synonymy list

Year	Name and author
1909	Lecorium Sellards p. 167
1909	Stemma Sellards p. 168
1919	Lecorium Handlirsch p. 555
1919	Stemma Handlirsch p. 556
1922	Lecorium Handlirsch p. 93
1922	Stemma Handlirsch p. 93
1928	Lecorium Tillyard p. 340
1928	Sellardsia Tillyard p. 343
1937	Metalecorium Handlirsch p. 96
1937	Paralecorium Handlirsch p. 96
1992	Lecorium Carpenter p. 106
1997	Lecorium Storozhenko p. 6
1998	Lecorium Storozhenko p. 80

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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

Rank	Name	Author
superclass	Hexapoda	Latreille 1825
—	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

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. †Lecorium Sellards 1909

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†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]

Invalid names: Metalecorium Handlirsch 1937 [synonym], Paralecorium Handlirsch 1937 [synonym], Sellardsia Tillyard 1928 [synonym], Stemma 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: Bush and Bambach 2015, Kiessling 2004

Age range: Artinskian or 290.10000 to 283.30000 Ma

Collections (7 total)

Time interval	Ma	Country or state	Original ID and collection number
Artinskian	290.1 - 283.3	USA (Kansas)	L. elongatum (111217 111320 114151 114152) L. elongatum, Sellardsia kansasensis, Sellardsia lecorioides, Metalecorium confusum, Sellardsia separanda, Sellardsia abnormis, Metalecorium anomalum (111219) L. elongatum, Stemma elegans, Stemma extensa (21979) Stemma sp. (151412)