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Amorphognathus

Conodonta - Prioniodontida - Balognathidae

Taxonomy
Amorphognathus was named by Branson and Mehl (1933) [Sepkoski's age data: O Aren-u O Ashg-u Sepkoski's reference number: 800]. It is not extant.

It was assigned to Conodontophorida by Sepkoski (2002); and to Balognathidae by Cooper (1977), Stouge and Bagnoli (1999) and Donoghue et al. (2008).

Synonyms
  • Balognathus was named by Rhodes (1953). It is not extant.

    It was synonymized subjectively with Amorphognathus by Cooper (1977).
Synonymy list
YearName and author
1933Amorphognathus Branson and Mehl
1953Balognathus Rhodes
1977Amorphognathus Cooper p. 1066
1999Amorphognathus Stouge and Bagnoli p. 153
2002Amorphognathus Sepkoski
2008Amorphognathus Donoghue et al. p. 138

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
RankNameAuthor
subphylumConodontophorida()
classConodonta
orderPrioniodontida(Dzik 1976)
familyBalognathidaeHass 1959
genusAmorphognathusBranson and Mehl 1933

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. †Amorphognathus Branson and Mehl 1933
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†Amorphognathus duftonus Rhodes 1955
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Invalid names: Goniodontus lindstroemi Serpagli 1967 [synonym]
†Amorphognathus ordovicicus Bergström and Bergström 1996
†Amorphognathus superbus Rhodes 1953
†Amorphognathus ventilatus Ferretti and Barnes 1997
Invalid names: Balognathus Rhodes 1953 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: hydroxyapatitec
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
Reference: Aberhan 1992

Age range: base of the Darriwilian to the top of the Devonian or 467.30000 to 358.90000 Ma

Collections (173 total)


Time interval Ma Country or state Original ID and collection number
Arenig478.6 - 466.0China (Hubei) A. sp. (4714 4715)
Middle Ordovician470.0 - 458.4USA (New York) A. sp. (335)
Early/Lower Llanvirn468.0 - 461.1Argentina A. sp. (8870)
Early/Lower Llanvirn468.0 - 461.1China (Hubei) A. sp. (4713)
Llanvirn468.0 - 458.4China (JiangSu) A. sp. (7932)
Llanvirn468.0 - 458.4Canada (Northwest Territories) A. sp. (25753)
Llanvirn468.0 - 458.4China (HeBei) A. sp. (7959)
Darriwilian467.3 - 458.4Iran A. sp. (66874)
Darriwilian467.3 - 458.4Russian Federation (Siberia) A. sp. (206299)
Early/Lower Llandeilo466.0 - 460.9Russian Federation (Siberia) A. sp. (9300 9301 9303)
Lasnamagi463.5 - 460.9Sweden (Jämtland) A. sp. (210655)
Late/Upper Llanvirn463.5 - 460.9China (Hubei) A. sp. (4712)
Late/Upper Llanvirn463.5 - 460.9Russian Federation (Siberia) A. sp. (9229 9230)
Soudleyan - Marshbrookian458.4 - 454.0China (Hubei) A. sp. (4691)
Caradoc458.4 - 449.5USA (Colorado) A. ramosa, A. sp. (10380)
Caradoc458.4 - 449.5Thailand A. sp. (142394)
Caradoc458.4 - 449.5Canada (Nunavut) A. ordovicicus (188104 188197 188198 188200 188201)
Late/Upper Ordovician458.4 - 443.8Canada (British Columbia) A. tvaerensis (177798 177799 177800)
Late/Upper Ordovician458.4 - 443.8Malaysia A. sp. A (186216 186219)
Late/Upper Ordovician458.4 - 443.8Austria A. sp., A. ordovicicus, A. duftonus (187796 187797)
Late/Upper Ordovician458.4 - 443.8Canada (Northwest Territories) A. sp. (180215)
Kukruse458.0 - 456.8Sweden (Skania) A. tvaerensis (203707)
Kukruse458.0 - 456.8Estonia (Kohtla-Nõmme) A. tvaerensis (168527)
Kukruse458.0 - 456.8Sweden (southern Gotland) A. tvaerensis (183444 183445)
Blackriveran - Shermanian457.3 - 449.6USA (Minnesota) A. superbus (23298)
Shermanian457.3 - 449.6USA (New York) A. tvaerensis (76092)
Longvillian457.2 - 455.0China (JiangSu) A. sp. (7931 7948)
Longvillian - Onnian457.2 - 449.5Argentina A. superbus (9037)
Haljala456.8 - 453.9Sweden (southern Gotland) A. tvaerensis (183447 183448 183449)
Chatfieldian453.8 - 451.0USA (New York) A. tvaerensis (337 76089 76090 76091)
Chatfieldian - Edenian453.8 - 450.2Canada (Manitoba) A. ordovicicus (177658)
Katian453.0 - 445.2China (Guizhou) A. complicatus (222781 222782 222783 222786 222787)
Katian453.0 - 445.2USA (Oklahoma) A. sp. (212717 212725 212728) A. superbus (212823 212825 212830 212831) A. tvaerensis (212642 212643 212645 212651 212653 212654 212655 212658 212659 212662 212669 212672 212775 212779 212820 212821)
Katian453.0 - 445.2Mongolia (Bayanhongor) A. tvaerensis (79592)
Katian453.0 - 445.2Canada (Cornwallis Island) A. ordovicicus (211069 211070)
Katian - Hirnantian453.0 - 443.4Russian Federation (Siberia) A. duftonus (205665)
Edenian - Maysvillian451.0 - 449.6Canada (Northwest Territories) A. sp. (26099)
Nabala450.5 - 449.9Sweden (southern Gotland) A. sp. (183642 183643) A. superbus (183644)
Maysvillian - Richmondian450.2 - 445.5USA (Nevada) A. ordovicicus (10667 10668)
Vormsi449.9 - 449.5Sweden (southern Gotland) A. ordovicicus (183645)
Vormsi - Porkuni449.9 - 443.7Poland (Sandomierz) A. ordovicicus (212365 212366 212367 212400 212401 212402 212403 212405 212406 212407 212408 212409 212410 212411 212412 212417 212424)
Kralodvorian449.8 - 445.2Italy (Sardinia) A. ordovicicus, A. lindstroemi (192914)
Kralodvorian449.8 - 445.2Czech Republic (Praha) A. sp. (173725) A. sp., A. lindstroemi (173726)
Kralodvorian449.8 - 445.2Spain (Zaragoza) A. sp. (21057)
Kralodvorian449.8 - 445.2Czech Republic A. sp. (173763)
Kralodvorian449.8 - 445.2France (Languedoc-Roussillon) A. ordovicicus (166748)
Kralodvorian - Rawtheyan449.8 - 445.2Spain (Sevilla) A. sp. (20929)
Richmondian449.6 - 445.5Canada (Nunavut) A. sp. (360)
Richmondian449.6 - 445.5Canada (Manitoba) A. ordovicicus (177632 177644 177659 177681 177682)
Richmondian449.6 - 445.5Canada (Northwest Territories) A. ordovicicus (26090 26097)
Richmondian449.6 - 445.5Canada (Québec) A. ordovicicus (24569)
Ashgill - Cautleyan449.5 - 448.8Canada (Québec) A. ordovicicus (24863)
Pirgu449.5 - 445.2Sweden A. ordovicicus (159344)
Pirgu449.5 - 445.2Sweden (Dalarne) A. complicatus (173723) A. ordovicicus (173716 173717 173718 173724) A. sp. (173713) A. sp., A. ordovicicus (173714) A. superbus (173712)
Ashgill449.5 - 443.7Canada (Québec) A. ordovicicus (24566 24571 24572 24861 24972 24975) A. sp. (24841 24858)
Ashgill449.5 - 443.7Canada (Nunavut) A. ordovicicus (188155)
Ashgill449.5 - 443.7Austria A. ordovicicus (231709) A. ordovicicus, A. lindstroemi (231711) A. sp., A. ordovicicus, A. lindstroemi (231710)
Ashgill449.5 - 443.7Canada (British Columbia) A. sp. (178094 178095)
Gamachian449.5 - 443.7USA (Missouri) A. ordovicicus (177551 177552 177553 177554)
Gamachian449.5 - 443.7Canada (Manitoba) A. ordovicicus (177684)
Ashgill - Llandovery449.5 - 433.4Canada (Québec) A. ordovicicus (24505) A. ordovivivus (24504)
Ashgill - Wenlock449.5 - 427.4Canada (Nunavut) A. ordovicicus (188107 188108 188110 188114 188156 188163 188187 188188 188192 188194)
Cautleyan449.2 - 448.8Ireland (Leinster) A. sp., A. ordovicicus, A. duftonus, A. superbus, A. ventilatus (89130)
Porkuni445.6 - 443.7Sweden (southern Gotland) A. ordovicicus (183653) A. sp. (183647)
Hirnantian445.2 - 443.4Sweden A. ordovicicus (159341)
Hirnantian445.2 - 443.4Canada (Cornwallis Island) A. ordovicicus (211072)
Hirnantian445.2 - 443.4Spain (Málaga) A. ordovicicus (212332)
Hirnantian445.2 - 443.4Germany A. sp., A. ordovicicus, A. ventilatus (210975)
Silurian443.8 - 419.2Malaysia A. sp. (181687)
Silurian - Devonian443.8 - 358.9Greece (Chios) A. sp. (222758)
Late/Upper Devonian - Carboniferous382.7 - 298.9Greece (Chios) A. sp. (222756)