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Tetraprion

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Journal Article
Published: 18 February 2016
Canadian Journal of Earth Sciences (2016) 53 (7): 731–738.
... Xanioprionidae and genera Pistoprion , Tetraprion , and Rakvereprion are documented for the first time from the Ordovician of Laurentia. The Anticosti polychaete fauna shows great similarity to the contemporaneous faunas of Baltoscandia. This is evidenced by a high relative abundance of mochtyellids...
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Journal Article
Published: 01 May 2003
Journal of Paleontology (2003) 77 (3): 509–523.
... ; Mochtyella Kielan-Jaworowska, 1961 ; and Tetraprion ? Kielan-Jaworowska, 1966 . Members of the family Polychaetaspidae, particularly Oenonites species, generally dominate in abundance and number of species. The second most abundant family typically is either Ramphoprionidae or Paulinitidae. Overall...
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The five different types of eunicidan maxillary apparatus (from  Kielan-Jawo...
Published: 01 November 2008
) Ctenognath type; Tetraprion pozaryskae Kielan-Jaworowska, 1966 . ( C ) Labidognath type; Ramphoprion elongatus Kielan-Jaworowska, 1962 . ( D ) Placognath type; Mochtyella polonica Kielan-Jaworowska, 1966 . ( E ) Xenognath type; Archaeoprion quadricristatus Mierzejewski & Mierzejewska, 1975 .
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Scanning electron microscope photos of selected scolecodonts. Scale bars 0....
Published: 18 February 2016
Fig. 3. Scanning electron microscope photos of selected scolecodonts. Scale bars 0.1 mm. C, F, M, N, P, R–W, Y, and AE from the Vauréal Formation, all others from the Ellis Bay Formation. (A) Tetraprion cf. pozaryskae , right MI, GIT 714-1, sample 410; (B) Tetraprionidae gen. et sp. nov
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Figure  5 —Selected SEM micrographs of representative and characteristic sc...
Published: 01 May 2003
, Family Tetraprionidae; Tetraprion ? sp., 38, left MI, OSU 51481. Note the jaw-in-jaw arrangement (cf. Kielan-Jaworowska, 1966 ; Mierzejwski, 1978b); 40, Right MI, OSU 51482. 41–45, Incertae familiae; Gen et sp. indet. A few selected morphotypes. 41, Left MI, OSU 51483; 42, Left MI, OSU 51484
Series: Geological Society, London, Memoirs, Geological Society, London, Memoirs
Published: 01 January 2013
DOI: 10.1144/M38.18
EISBN: 9781862396425
... 1998 , 2000 ; Eriksson & Bergman 2003 ; Eriksson & Hints 2009 ; Hints & Eriksson 2010 ). Although some common placognath/ctenognath forms occur (e.g. Mochtyella sensu lato and Tetraprionidae? gen. nov. B), many of the Baltic genera have not yet been recorded ( Pistoprion , Tetraprion...
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Journal Article
Published: 19 February 2009
Geological Magazine (2009) 146 (3): 451–462.
... apparatuses were recovered. Table 1 Scolecodont-yielding samples and distribution of taxa Counts are based on the first maxillae (MI) only, except for Tetraprion sp. A and Lunoprionella ? sp., in which the MII were used. An apparatus is counted as one specimen. Except...
Journal Article
Published: 01 November 2008
Journal of Micropalaeontology (2008) 27 (2): 147–159.
... ) Ctenognath type; Tetraprion pozaryskae Kielan-Jaworowska, 1966 . ( C ) Labidognath type; Ramphoprion elongatus Kielan-Jaworowska, 1962 . ( D ) Placognath type; Mochtyella polonica Kielan-Jaworowska, 1966 . ( E ) Xenognath type; Archaeoprion quadricristatus Mierzejewski & Mierzejewska, 1975 . ...
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Journal Article
Published: 01 March 1971
Bulletin of Canadian Petroleum Geology (1971) 19 (1): 251–293.
Journal Article
Published: 01 September 2001
Journal of Paleontology (2001) 75 (5): 993–1015.
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