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Harpididae
Taxonomy
Harpididae was named by Whittington (1950). It is not extant. Its type is Harpides.
It was assigned to Harpina by Harrington and Leanza (1957); to Harpida by Adrain (2011); and to Harpetida by Jell and Adrain (2002) and Beech and Lamsdell (2021).
It was assigned to Harpina by Harrington and Leanza (1957); to Harpida by Adrain (2011); and to Harpetida by Jell and Adrain (2002) and Beech and Lamsdell (2021).
Subtaxa
Arraphus, Chencunia, Dictyocephalites, Harpides (type genus), Harpidoides, Kitatella, Loganopeltis, Loganopeltoides, Metaharpides, Paraharpides, Pscemiaspis
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1854 | Arraphus Angelin |
| 1950 | Harpididae Whittington |
| 1957 | Harpididae Harrington and Leanza |
| 2002 | Arraphus Jell and Adrain p. 344 |
| 2002 | Harpididae Jell and Adrain p. 472 |
| 2002 | Arraphus Sepkoski |
| 2011 | Harpididae Adrain p. 108 |
| 2021 | Harpididae Beech and Lamsdell pp. 2220 - 2221 |
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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.
Fm. †Harpididae Whittington 1950
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G. †Dictyocephalites Bergeron 1895
G. †Harpides Beyrich 1846
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†Harpides grimmi Barrande 1872
†Harpides neogaeus Harrington and Leanza 1957
G. †Harpidoides Petrunina et al. 1983
G. †Kitatella Khalfin 1960
G. †Loganopeltis Rasetti 1943
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†Loganopeltis minuta Rasetti 1944
†Loganopeltis zenkeri Billings 1860
G. †Metaharpides Pillet and Courtessole 1980
G. †Paraharpides Pillet and Courtessole 1980
G. †Pscemiaspis Abdullaev 1970
Invalid names: Arraphus Angelin 1854 [nomen dubium]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. D. Beech and J. C. Lamsdell 2021 | Cephalic border not sharply set off from convex genae and preglabellar field; alae small, semicircular; facial sutures marginal, or with parallel anterior and posterior sections running close to each other and directed anterolaterally from eye tubercles to margin; genal caeca radiating over cheek lobes and in some cases extending onto cephalic border. Hypostome subrectangular, length (sag.) equal to that of glabella. Thorax with 20 or more segments; axis narrow; long (tr.) pleurae curving back at outer part may be extended into spines, with deep pleural furrows and convex posterior bands (Fortey & Owens 1997). |