PBDB Taxon

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

Icriodontidae

Conodonta - Conodontophorida - Icriodontidae

Taxonomy

Icriodontidae was named by Müller and Müller (1957).

It was assigned to Conodontophorida by Chatterton and Perry (1977); and to Prioniodontacea by Clark et al. (1981).

Subtaxa

Antognathus, Caudicriodus, Icriodus (syn. Latericriodus), Pedavis, Pelekysgnathus, Sannemannia

Synonymy list

Year	Name and author
1957	Icriodontidae Müller and Müller
1977	Icriodontidae Chatterton and Perry p. 792
1981	Icriodontidae Clark et al. p. W103

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
phylum	Chordata	Haeckel 1874
subphylum	Vertebrata
superclass	Cyclostomata	Richards

Rank	Name	Author
order	Conodontophorida
class	Conodonta	Pander 1856
order	Prioniodontida	(Dzik 1976)
superfamily	Prioniodontacea	Bassler 1925
family	Icriodontidae	Müller and Müller 1957
family	Icriodontidae	Müller and Müller 1957

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.

Fm. †Icriodontidae Müller and Müller 1957

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G. †Antognathus

G. †Caudicriodus Bultynck 1976

G. †Icriodus Branson and Mehl 1938

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†Icriodus amabilis Bultynck and Hollard 1980

†Icriodus arkonensis Stauffer 1938

†Icriodus arkonensis walliserianus Weddige 1988

†Icriodus brevis Stauffer 1940

†Icriodus cornutus Sannemann 1955

†Icriodus expansus Branson and Mehl 1938

†Icriodus latericrescens Branson and Mehl 1938

†Icriodus marieae Suttner et al. 2017

†Icriodus regularicrescens Bultynck 1970

†Icriodus subterminus Youngquist 1947

†Icriodus symmetricus Branson and Mehl 1934

†Icriodus woschmidti Ziegler 1960

Invalid names: Latericriodus [synonym]

G. †Pedavis Klapper and Philip 1971

G. †Pelekysgnathus Thomas 1949

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†Pelekysgnathus dubius Jeppsson 1972

†Pelekysgnathus index Klapper and Murphy 1974

G. †Sannemannia

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

hydroxyapatitec

Environment:

marinesubp

Locomotion:

actively mobilec

Life habit:

nektonicc

Diet:

carnivorec

Vision:

well-developedc

Created:

2005-02-03 07:48:42

Modified:

2010-02-12 04:00:46

Source: c = class, subp = subphylum

References: Aberhan 1992, Carroll 1988

Age range: base of the Ludfordian to the top of the Late/Upper Famennian or 425.00000 to 358.86000 Ma

Collections (1073 total)

Time interval	Ma	Country or state	Original ID and collection number
Oldest occurrences
Silurian	443.1 - 419.62	USA (Nevada)	Pelekysgnathus index (181275 181276 181277 181278)
Ludlow	426.7 - 422.7	Austria	Pedavis latialata (187833 187841)
Ludlow - Pridoli	426.7 - 419.62	Austria (Burgenland)	Icriodus woschmidti (76722)
Ludfordian	425.0 - 422.7	Sweden (Gotland)	Icriodus sp. (203805 203817) Icriodus spp. (203807)
Ludfordian	425.0 - 422.7	USA (Nevada)	Pedavis latialata (180824 180825) Pelekysgnathus index (180828 180830 180831 180832 180833 180834 180835 181215 181216 181217 181218 181219 181220 181221)
Ludfordian	425.0 - 422.7	Czechia	Pedavis latialata (14074) Pedavis latialatus (179153 179159 179166 179169)
Pridoli	422.7 - 419.62	Canada (Nunavut)	Pedavis sp. (26407)
Pridoli	422.7 - 419.62	Australia (New South Wales)	Pelekysgnathus serratus (178413 178415 178417 178419 178420 178423)
Pridoli	422.7 - 419.62	Ukraine	Icriodus woschmidti (13874)
Pridoli	422.7 - 419.62	USA (Nevada)	Pelekysgnathus index (181189 181190 181193 181197 181198 181199 181200 181201 181202 181203 181204 181205)
Youngest occurrences
Time interval	Ma	Country or state	PBDB collection number
Famennian	372.15 - 358.86	Vietnam	Icriodus alternatus (83246)
Famennian	372.15 - 358.86	Poland	Pelekysgnathus inclinatus (70234)
Famennian	372.15 - 358.86	Germany	Icriodus alternatus (228562 228563) Icriodus cornutus (228564) Icriodus helmsi, Icriodus alternatus (228561) Icriodus mawsonae (228565) Icriodus praealternatus, Icriodus alternatus (228482)
Famennian	372.15 - 358.86	Tajikistan	Icriodus cornutus (184358)
Famennian	372.15 - 358.86	Iran	Icriodus expansus, Icriodus symmetricus (239388)
Middle Famennian	368.5 - 365.2	Germany	Icriodus alternatus (223527 223536)
Middle Famennian	368.5 - 365.2	Poland	Icriodus cornutus (135727)
Middle Famennian	368.5 - 365.2	Morocco	Icriodus olivierii (223560)
Late/Upper Famennian	365.2 - 358.86	Russian Federation	Antognathus volnovachensis, Pelekysgnathus abnormalis (58104) Icriodus costatus (80103)
Late/Upper Famennian	365.2 - 358.86	Poland	Pelekysgnathus inclinatus (70236 70237)