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Ischnochitonina

Polyplacophora

Taxonomy
Ischnochitonina was named by Bergenhayn (1930). It is extant.

It was reranked as the suborder Ischnochitonina by Abbott (1974).

It was assigned to Paleoloricata by Smith (1973); and to Neoloricata by Abbott (1974).

Synonymy list
YearName and author
1930Ischnochitonina Bergenhayn
1973Ischnochitonina Smith p. 7
1974Ischnochitonina Abbott p. 394

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
RankNameAuthor
phylumMollusca
—Serialia
classPolyplacophorade Blainville 1816
subclassNeoloricata(Bergenhayn 1955)
suborderIschnochitonina(Bergenhayn 1930)
suborderIschnochitonina(Bergenhayn 1930)

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.

Subor. Ischnochitonina Bergenhayn 1930
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Fm. Mopaliidae Dall 1889
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G. Amicula Gray 1847
G. Katharina Gray 1847
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†Katharina tunicata Wood 1815 [black katy]
G. Mopalia Gray 1847
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Subg. Mopalia (Dendrochiton) Berry 1911
†Mopalia acuta Carpenter 1855
†Mopalia ciliata Sowerby 1840 [hairy chiton]
†Mopalia hindsii Sowerby 1847
Mopalia imporcata Carpenter 1864
†Mopalia lignosa Gould 1846 [woody chiton]
Mopalia lowei Pilsbry 1918
†Mopalia muscosa Gould 1846 [mossy mopalia]
†Mopalia sinuata Carpenter 1864
G. Placiphorella Carpenter 1879
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†Placiphorella velata Carpenter 1879 [veiled chiton]
G. Plaxiphora Gray 1847
Invalid names: Heterochitoninae [empty], Katharininae [empty], Mopaliinae [empty]
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†Pterygochiton distefanoi Fucini 1912
†Pterygochiton liasinus Eudes-Deslongchamps 1864
†Pterygochiton mirificus Fucini 1912
†Pterygochiton terquemii Eudes-Deslongchamps 1859
Fm. Schizochitonidae Dall 1885
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G. †Aulacochiton Shuttleworth
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†Aulacochiton praecursor Smith et al. 1968
G. Loricella Pilsbry 1893
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Loricella angasi Adams 1864
G. †Oochiton
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitec
Environment: marine, brackishc
Locomotion: facultatively mobilec
Attached: yesc
Life habit: epifaunalc
Diet: grazerc
Vision: limitedc
Created: 2007-09-07 09:30:10
Modified: 2010-02-15 05:49:47
Source: c = class
Reference: Kiessling 2003

Age range

Maximum range based only on fossils: base of the Sinemurian to the top of the Holocene or 199.50000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 192.9 Ma

Collections (61 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Jurassic201.4 - 174.7France Pterygochiton liasinus, Pterygochiton terquemii (91222)
Sinemurian199.5 - 192.9Italy Pterygochiton busambrensis, Pterygochiton distefanoi, Pterygochiton mirificus (91197)
Early/Lower Maastrichtian72.2 - 66.0Puerto Rico Aulacochiton praecursor (66738)
Duntroonian27.3 - 25.2New Zealand (South Island) Plaxiphora sp. (219615)
Early/Lower Miocene23.04 - 15.98Marshall Islands Schizochiton marshallensis (43315)
Middle Miocene15.98 - 11.63Marshall Islands Schizochiton marshallensis (78023)
Late/Upper Miocene11.63 - 5.333Palau Schizochiton incisus (77930)
Late/Upper Miocene11.63 - 5.333Marshall Islands Schizochiton marshallensis (77975 77977 77984 77985 78022)
Pliocene5.333 - 2.58USA (California) Katharina tunicata (138824)
Early/Lower Pleistocene2.58 - 0.774USA (California) Mopalia sp. (202496)
Pleistocene2.58 - 0.0117USA (California) Mopalia acuta (138720) Mopalia muscosa (139843) Mopalia muscosa, Mopalia hindsii, Mopalia sinuata, Placiphorella velata, Mopalia lignosa, Mopalia ciliata, Katharina tunicata, Mopalia acuta (138719) Mopalia muscosa, Placiphorella velata, Mopalia lignosa, Mopalia ciliata (201624)
Pleistocene2.58 - 0.0117Mexico (Baja California) Mopalia hindsi (96594) Mopalia muscosa (96590 96592 96593)
Pleistocene - Holocene2.58 - 0.0USA (California) Mopalia acuta (138821)
Quaternary2.58 - 0.0USA (California) Dendrochiton thamnopora, Mopalia muscosa, Placiphorella velata, Mopalia ciliata (37933) Mopalia muscosa (37937 37939 37940 37944 37945 37948) Mopalia muscosa, Mopalia hindsii (37936) Mopalia muscova, Mopalia hindsii (37947)
Middle Pleistocene0.774 - 0.129USA (California) Katharina tunicata (223326) Mopalia imporcata (200409 223325) Mopalia mucosa, Mopalia muscosa, Mopalia acuta (138723) Mopalia muscosa, Mopalia lowei (202494) Mopalia muscosa, Placiphorella velata, Mopalia ciliata (202492)
Late/Upper Pleistocene0.129 - 0.0117USA (California) Mopalia acuta (59063 96566) Mopalia ciliata (37673 222660) Mopalia lignosa (37672) Mopalia muscosa (219029 240650 240651 240653) Mopalia muscosa, Mopalia acuta (160361) Mopalia muscosa, Mopalia ciliata, Mopalia wossnessenski (202490) Mopalia muscosa, Mopalia wossnessenski (202491) Mopalia muscosa, Placiphorella velata, Mopalia lignosa, Mopalia ciliata (202936 207041) Mopalia sp. (96900 96901) Mopalia sp., Mopalia muscosa (222968) Placiphorella velata, Mopalia lignosa, Mopalia ciliata (222973)
Late/Upper Pleistocene0.129 - 0.0117Mexico (Baja California) Mopalia muscosa, Mopalia ciliata (96591)
Late/Upper Pleistocene0.129 - 0.0117Mexico Mopalia muscosa, Mopalia lignosa (52347)
Holocene0.0117 - 0.0USA (California) Mopalia muscosa, Katharina tunicata (207042)
Holocene0.0117 - 0.0Marshall Islands Loricella sp. A (43306 43334)