PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Hypacanthoplites

Cephalopoda - Ammonoida - Acanthohoplitidae

Taxonomy

Hypacanthoplites was named by Spath (1923) [Sepkoski's age data: K Apti-u K Albi-l].

It was reranked as Acanthoplites (Hypacanthoplites) by Collignon (1962).

It was assigned to Acanthoplites by Collignon (1962); to Ammonoidea by Sepkoski (2002); to Parahoplitidae by Kennedy et al. (1980), Kennedy et al. (1981), Lehmann et al. (2013), Lehmann et al. (2016); to Acanthoplitinae by Robert and Bulot (2005), Robert et al. (2018), Ovando-Figueroa et al. (2018); and to Acanthohoplitinae by Szives (2007), Lehmann et al. (2019), Matsukawa (2021), Latil and Jaillard (2023).

Species

Acanthoplites (Hypacanthoplites) falloti, H. aplanatus, H. buloti, H. corrugatus, H. elegans (syn. H. spathi, Parahoplites hannovrensis), H. hirtzi, H. milletianus, H. milletioides, H. plesiotypicus (syn. Parahoplites jacobi), H. pricei, H. rubricosus, H. sigmoidalis, H. subangulata, H. subcornuerianus, H. tenuiformis, H. uhligi

Species lacking formal opinion data

H. anglicus, H. clavatus, H. hanovrensis, H. inflatus, H. jacobi, H. laticostatus, H. leanzae, H. rugosus, H. sarasini, H. subrectangulatus

Year	Name and author
1923	Hypacanthoplites Spath
1962	Acanthoplites (Hypacanthoplites) Collignon p. 54
1980	Hypacanthoplites Kennedy et al. p. 227
1981	Hypacanthoplites Kennedy et al. p. 227
2002	Hypacanthoplites Sepkoski
2005	Hypacanthoplites Robert and Bulot p. 611
2007	Hypacanthoplites Szives p. 70
2013	Hypacanthoplites Lehmann et al. p. 218
2016	Hypacanthoplites Lehmann et al. p. 471
2018	Hypacanthoplites Ovando-Figueroa et al. p. 120
2018	Hypacanthoplites Robert et al. p. 17
2019	Hypacanthoplites Lehmann et al. p. 215
2021	Hypacanthoplites Matsukawa p. 14
2023	Hypacanthoplites Latil and Jaillard p. 27

part	N	mean	minimum	maximum	median	s.d.
shell height	5	62.4	20.0	150.0	58.0	48.9
shell diameter	5	149.5	45.0	345.0	155.0	112.4
shell inflation	5	44.8	14.0	106.0	43.0	34.2

Time interval	Ma	Country or state	Original ID and collection number
Aptian	121.4 - 113.2	United Kingdom (England)	H. anglicus, H. simmsi (1814 1815) H. jacobi, H. anglicus, H. clavatus, H. sarasini, H. hanovrensis, H. simmsi, H. laticostatus, H. spp. nov, H. elegans, H. spathi, H. rubricosus, H. tenuiformis (1780) H. jacobi, H. simmsi, H. anglicus (1817) H. laticostatus (1813) H. simmsi, H. sp. (1811) H. sp., H. clavatus (1823) H. trivialis, H. rubricosus (1770)
Aptian	121.4 - 113.2	Mexico (Sonora)	H. sp. (82140) H. sp., H. ceratitosus (82141)
Aptian	121.4 - 113.2	Mexico	H. leanzae (87926)
Aptian	121.4 - 113.2	Morocco (Western High Atlas)	H. nolanisimilis, H. anglicus, H. jacobi, H. sigmoidalis, Nolaniceras uhligi (2071)
Late/Upper Aptian	119.57 - 113.2	Iran	H. elegans (197564) H. uhligi (197565 197566 197567 197568 197569 197570 197571 197572 197573 197574 197575 197576 197577 197578 197579 197580 197582 197583)
Late/Upper Aptian	119.57 - 113.2	Hungary	H. sp., H. elegans, H. milletianus (226273)
Late/Upper Aptian	119.57 - 113.2	Mexico (Coahuila de Zaragoza)	H. clavatus, H. burckhardti, H. sarasini, H. rugosus, H. plesiotypicus (89547)
Late/Upper Aptian	119.57 - 113.2	Madagascar (Atsimo-Andrefana)	Nolaniceras uhligi (84027)
Late/Upper Aptian	119.57 - 113.2	Russian Federation	H. sp. (65755)
Late/Upper Aptian	119.57 - 113.2	Mozambique	Acanthohoplites uhligi (174621)
Late/Upper Aptian	119.57 - 113.2	Mexico (Sonora)	H. sp. (191937)
Late/Upper Aptian	119.57 - 113.2	USA (Texas)	H. bakeri, H. chihuahuaensis (84447) H. chihuahuaensis (84448 84449 84450) H. rugosus (52918 84442) H. sp. (52967)
Late/Upper Aptian	119.57 - 113.2	Japan (Nagano)	H. subcornuerianus (220847 220849 220850)
Late/Upper Aptian	119.57 - 113.2	France	H. plesiotypicus (56677) H. subrectangulatus, H. milletianus, H. plesiotypicus (56673)
Late/Upper Aptian	119.57 - 113.2	USA (Louisiana)	H. sp. (88597 88603)
Late/Upper Aptian	119.57 - 113.2	Japan	H. subcornueriana (91285)
Late/Upper Aptian	119.57 - 113.2	United Kingdom (England)	H. sp. 1, H. sigmoidalis, H. elegans, H. plesiotypicus, H. pricei, H. tenuiformis (235735)
Late/Upper Aptian	119.57 - 113.2	Madagascar	Acanthoplites falloti (84032) H. hirtzi (168092)
Late/Upper Aptian	119.57 - 113.2	Tunisia	H. sp., H. plesiotypicus (232815)
Late/Upper Aptian	119.57 - 113.2	Mexico (Chihuahua)	H. sp. (189918 189919 189920)
Late/Upper Aptian - Early/Lower Albian	119.57 - 110.1	France	H. milletianus (58972) H. sp., H. plesiotypicus (58934)
Late/Upper Aptian - Early/Lower Albian	119.57 - 110.1	USA (Texas)	H. cragini (52968)
Early/Lower Albian	113.2 - 110.1	France (Champagne-Ardenne)	H. milletianus (153339)
Early/Lower Albian	113.2 - 110.1	United Kingdom (England)	H. milletianus (1783) H. sp., H. milletioides (1812)
Early/Lower Albian	113.2 - 110.1	USA (Texas)	H. bakeri, H. quitmanensis, H. sellardsi, H. umbilicostatus (84445) H. cragini (52958 52979 53005 53008 53010 53012) H. sp. (52976) H. sp., H. cragini (52952)
Early/Lower Albian	113.2 - 110.1	France	H. clavatus (58940) H. clavatus, H. sp., H. milletianus (58887) H. inflatus, H. elegans, H. milletianus, H. plesiotypicus (58942) H. jacobi (58389) H. milletianus (58123 58532) H. plesiotypicus (58891 58938) H. sp. (56842 58636 58880 58973) H. sp., H. inflatus, H. clavatus, H. elegans, H. milletianus, H. plesiotypicus (56561) H. sp., H. plesiotypicus (58971) H. subrectangulatus, H. plesiotypicus (58928)
Early/Lower Albian	113.2 - 110.1	Tunisia	H. buloti (232803)
Early/Lower Albian	113.2 - 110.1	Denmark	H. sp., H. milletioides (71077)
Early/Lower Albian	113.2 - 110.1	Germany	H. elegans (183539 183541 183555) H. elegans, H. corrugatus (183554) H. sp. (183553) H. sp. 1, H. elegans, H. corrugatus (183540)
Early/Lower Albian	113.2 - 110.1	Morocco (Western High Atlas)	H. jacobi, H. sp. (2072)
Albian	113.2 - 100.5	United Kingdom (England)	H. sp. (1844) H. sp., H. milletioides (1781) H. subelegans, H. milletioides (1816)
Early/Lower Albian - Late/Upper Albian	113.2 - 100.5	France	H. sp. (57922) H. sp., H. elegans, H. milletianus (58861)
Middle Albian	110.1 - 106.3	France	H. subrectangulatus (56544)
Late/Upper Albian	106.3 - 100.5	France	H. clavatus, H. sp., H. milletianus, H. plesiotypicus (58885) H. milletianus (56526) H. plesiotypicus (58968) H. sp. (58628 58879)
Late/Upper Cenomanian	100.5 - 93.9	France	H. sp. (58969)
Early/Lower Turonian - Middle Turonian	93.9 - 89.8	France	H. clavatus, H. elegans, H. milletianus, H. plesiotypicus (58970)