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Sialidae

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Description

Alderflies are megalopteran insects of the family Sialidae. They are closely related to the dobsonflies and fishflies as well as to the prehistoric Euchauliodidae. All living alderflies – about 66 species altogether – are part of the subfamily Sialinae, which contains between one and seven extant genera according to different scientists' views.

From Wikipedia article at https://en.wikipedia.org/wiki/Sialidae, which is released under the Creative Commons Attribution-Share-Alike License 3.0.

Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	5205	https://www.gbif.org/species/5205
PaleoBioDB ID (PBDB)	207492	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=207492

Rank

family

Taxonomy (GBIF,PBDB)

Life : Animalia : Arthropoda : Insecta : Megaloptera : Sialidae

Taxonomic Status (GBIF)

accepted

Classification
(PBDB,GBIF)

Rank	Name	Author
-	Eukaryota
-	Opisthokonta	Cavalier-Smith 1987
kingdom	Animalia
-	Bilateria
-	Eubilateria	Ax 1987
-	Protostomia	Grobben 1908
-	Ecdysozoa
-	Panarthropoda
phylum	Arthropoda	Latreille 1829
subphylum	Mandibulata
-	Pancrustacea
superclass	Hexapoda	Latreille 1825
-	Cercofilata	Kukalová-Peck 1987
class	Insecta	Linnaeus 1758
-	Dicondylia
-	Paranotalia	Sroka et al. 2014
subclass	Pterygota	Brauer 1885
-	Neopterygota	Crampton 1924
infraclass	Neoptera	Martynov 1923
-	Holometabola
-	Aparaglossata
superorder	Neuropterida
-	Eidoneuroptera	Engel et al. 2018
order	Megaloptera	Latreille 1802
suborder	Neomegaloptera	Engel 2004
infraorder	Nothomegaloptera	Engel 2004
family	Sialidae	Leach 1815

Common Name

alderfly

Scientific Name

Sialidae

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Sialidae	family	belongs to Megaloptera	stated with evidence	Nel et al., 2004
Sialidae	family	belongs to Nothomegaloptera	stated with evidence	Engel, 2004

Status (PBDB)

extant

Taxon Size (PBDB)

Extant Size (PBDB)

7 (25%)

First Recorded Appearance

183 - 182 Ma
Early Jurassic

Environment

terrestrial (based on Insecta)

Motility

actively mobile (based on Arthropoda)

Taphonomy

chitin (based on Insecta)

Primary Reference (PBDB)

S. H. Scudder. 1890. The Tertiary Insects of North America. Report of the United States Geological Survey of the Territories XIII:1-734

Common Name(s)

Alderflies, Alderfly, Sävsländor, Schlammfliegen

Wikipedia

https://en.wikipedia.org/wiki/Sialidae

External Images

Fossil Distribution

Subtaxa

Name	Status	Common Name(s)	Fossil Occurrences	Oldest	Youngest
Sharasialinae ✝ subfamily	listed (PBDB)		1	152 Ma Late Jurassic	152 Ma Late Jurassic
Sialidinae subfamily	listed (PBDB)		18	183 Ma Early Jurassic	0 Ma Extant
Austrosialis genus	accepted (GBIF) listed (PBDB)		1	56.0 Ma Paleocene	0 Ma Extant
Corydalites ✝ genus	doubtful (GBIF) listed (PBDB)		1	70.6 Ma Late/Upper Cretaceous	70.6 Ma Late/Upper Cretaceous
Dobbertinia ✝ genus	accepted (GBIF) listed (PBDB)		1	183 Ma Early Jurassic	183 Ma Early Jurassic
Eosialis genus	accepted (GBIF) listed (PBDB)		1	55.8 Ma Eocene	0 Ma Extant
Haplosialis genus	accepted (GBIF)	No associated record in PBDB
Haplosialodes ✝ genus	accepted (GBIF) listed (PBDB)		2	99.6 Ma Late/Upper Cretaceous	99.6 Ma Late/Upper Cretaceous
Ilyobius genus	accepted (GBIF) listed (PBDB)		4	38.0 Ma Eocene	0 Ma Extant
Indosialis genus	accepted (GBIF) listed (PBDB)		1	23.0 Ma Miocene	0 Ma Extant
Leptosialis genus	accepted (GBIF)	No associated record in PBDB
Proindosialis ✝ genus	accepted (GBIF) listed (PBDB)		1	7.25 Ma Miocene	7.25 Ma Miocene
Protosialis genus	accepted (GBIF)	No associated record in PBDB
Sharasialis ✝ genus	accepted (GBIF) listed (PBDB)		1	152 Ma Late Jurassic	152 Ma Late Jurassic
Sialis genus	accepted (GBIF) listed (PBDB)		7	38.0 Ma Eocene	0 Ma Extant
Stenosialis genus	accepted (GBIF)	No associated record in PBDB

Synonymy List

Year	Name and Author
1815	Sialidae Leach
1920	Dobbertiniidae Handlirsch p. 198
1939	Dobbertiniidae Handlirsch p. 91
1978	Dobbertiniidae Willmann p. 12
2004	Sialidae Engel
2004	Sialidae Nel et al.

References

Scudder S. H. The Tertiary Insects of North America, Report of the United States Geological Survey of the Territories XIII, 1-734

Handlirsch A. (1920) Palaeontologie, Handbuch der Entomologie 3, 117-208

Handlirsch A. (1939) Neue Untersuchungen über die fossilen Insekten mit Ergänzungen und Nachträgen sowie Ausblicken auf phylogenetische, palaeogeographische und allgemein biologische Probleme. II Teil, Annalen des Naturhistorischen Museums in Wien 49, 1-240

Willmann R. (1978) Mecoptera (Insecta, Holometabola), Fossilum Catalogus, Animalia 124, 1-139

Engel M. S. (2004) The alderflies of Kansas (Megaloptera: Sialidae), Transactions of the Kansas Academy of Science 107, 119-125

Nel A., Waller A., et al (2004) The oldest palm bug in the Lowermost Eocene amber of the Paris Basin (Heteroptera: Cimicomorpha: Thaumastocoridae), Geologica Acta 2 1, 51-55

Penny, Norman D., Philip A. Adams, and Lionel A. Stange, 1997: Species catalog of the Neuroptera, Megaloptera, and Raphidioptera of America North of Mexico. Proceedings of the California Academy of Sciences, vol. 50, no. 3. 39-114. - via Integrated Taxonomic Information System (ITIS)

Benton, M.J. (ed). (1993). The Fossil Record 2. Chapman & Hall, London, 845 pp. - via The Interim Register of Marine and Nonmarine Genera

Parker, S.P. (ed). (1982). Synopsis and Classification of Living Organisms. McGraw-Hill, New York. 2 volumes. - via The Interim Register of Marine and Nonmarine Genera

Gärdenfors, Ulf, Hall, Ragnar, Hallingbäck, Tomas, Hansson, Hans G. & Hedström, Lars (2003) Djur, svampar och växter i Sverige 2003. Förteckning över antal arter per familj. ArtDatabanken Rapporterar 5, ArtDatabanken, Uppsala. (reviderad excelfil med svenska djurfamiljer). - via Dyntaxa. Svensk taxonomisk databas

Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!

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