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Pseudaspidoceras
Taxonomy
Pseudaspidoceras was named by Hyatt (1903) [Sepkoski's age data: K Ceno-u K Turo-l Sepkoski's reference number: 716
Sepkoski's age data: K Turo]. Its type is Ammonites footeanus.
It was reranked as Mammites (Pseudaspidoceras) by Pervinquière (1907); it was corrected as Pseudoaspidoceras by Benavides-Caceres (1956).
It was assigned to Mammites by Pervinquière (1907); to Mammitidae by Reyment (1954) and Benavides-Caceres (1956); to Acanthoceratidae by Howarth (1985); to Mammitinae by Chancellor (1982), Meister (1989) and Meister et al. (1992); to Ammonoidea by Bengtson (1983) and Sepkoski (2002); and to Euomphaloceratinae by Kennedy et al. (1987), Kennedy and Simmons (1991), Zaborski (1995), Wright et al. (1996), Meister et al. (2003), Gale et al. (2005), Ifrim and Stinnesbeck (2007), Aly et al. (2008) and Guendouz et al. (2022).
It was reranked as Mammites (Pseudaspidoceras) by Pervinquière (1907); it was corrected as Pseudoaspidoceras by Benavides-Caceres (1956).
It was assigned to Mammites by Pervinquière (1907); to Mammitidae by Reyment (1954) and Benavides-Caceres (1956); to Acanthoceratidae by Howarth (1985); to Mammitinae by Chancellor (1982), Meister (1989) and Meister et al. (1992); to Ammonoidea by Bengtson (1983) and Sepkoski (2002); and to Euomphaloceratinae by Kennedy et al. (1987), Kennedy and Simmons (1991), Zaborski (1995), Wright et al. (1996), Meister et al. (2003), Gale et al. (2005), Ifrim and Stinnesbeck (2007), Aly et al. (2008) and Guendouz et al. (2022).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1903 | Pseudaspidoceras Hyatt p. 106 |
| 1907 | Mammites (Pseudaspidoceras) Pervinquière |
| 1954 | Pseudaspidoceras Reyment p. 253 |
| 1956 | Pseudoaspidoceras Benavides-Caceres p. 468 |
| 1965 | Ampakabites Collignon |
| 1982 | Pseudaspidoceras Chancellor p. 90 |
| 1983 | Pseudoaspidoceras Bengtson |
| 1985 | Pseudaspidoceras Howarth p. 97 |
| 1987 | Pseudaspidoceras Kennedy et al. p. 34 |
| 1989 | Pseudaspidoceras Meister p. 6 |
| 1991 | Pseudaspidoceras Kennedy and Simmons p. 138 |
| 1992 | Pseudaspidoceras Meister et al. p. 66 |
| 1995 | Pseudaspidoceras Zaborski |
| 1996 | Pseudaspidoceras Wright et al. pp. 167 - 171 |
| 2002 | Pseudoaspidoceras Sepkoski |
| 2003 | Pseudaspidoceras Meister et al. p. 342 |
| 2005 | Pseudaspidoceras Gale et al. p. 179 |
| 2007 | Pseudaspidoceras Ifrim and Stinnesbeck p. 648 |
| 2008 | Pseudaspidoceras Aly et al. p. 47 |
| 2022 | Pseudaspidoceras Guendouz et al. p. 2168 |
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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. †Pseudaspidoceras Hyatt 1903
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†Pseudaspidoceras armatum Pervinquière 1907
†Pseudaspidoceras barberi Meister 1989
†Pseudaspidoceras conciliatum Stoliczka 1865
†Pseudaspidoceras curvicostatum Reyment 1955
†Pseudaspidoceras flexuosum Powell 1963
†Pseudaspidoceras footeanum Stolickzka 1864
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Invalid names: Pseudaspidoceras pedroanum White 1887 [synonym]
†Pseudaspidoceras paganum Reyment 1954
†Pseudaspidoceras pseudonodosoides Choffat 1898
†Pseudaspidoceras reesidei Benavides-Caceres 1956
†Pseudaspidoceras tassaraensis Meister et al. 1992
Invalid names: Ampakabites Collignon 1965 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. W. Wright et al. 1996 | Early whorls slightly inflated to slightly compressed; more or less flatsided; distant primary ribs with umbilical bullae, strong inner and weaker outer ventrolateral tubercles; irregular, weak, branching or intercalated secondary ribs bearing outer ventrolateral tubercles only; flat venter with or without slight, transverse constrictions. Later whorl height increasing, with square or rectangular section; ribs weaken and may be looped on sides; outer ventrolateral tubercles weakening or disappearing. Suture with moderately short to long elements. |