PBDB Taxon

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Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Heminautilus

Cephalopoda - Nautilida - Cenoceratidae

Taxonomy

Heminautilus was named by Spath (1927) [Sepkoski's age data: K Apti K Albi Sepkoski's reference number: 524].

It was assigned to Cymatoceratidae by Teichert et al. (1964); to Nautilidae by Shimansky (1975); to Nautilida by Sepkoski (2002); and to Cenoceratidae by Delanoy et al. (2012) and Baudouin et al. (2016).

Species

H. boselliorum, H. etheringtoni, H. japonicus, H. lallierianus, H. rangei, H. sanctaecrucis, H. saxbii (syn. Nautilus verneuilli, H. tejeriensis), H. stantoni, H. tyosiensis

Synonyms

Vorticoceras was named by Scott (1940).

It was synonymized subjectively with Heminautilus by Shimansky (1975) and Baudouin et al. (2016).
Platynautilus was named by Yabe and Ozaki (1953).

It was synonymized subjectively with Heminautilus by Shimansky (1975) and Baudouin et al. (2016).

Synonymy list

Year	Name and author
1927	Heminautilus Spath
1940	Vorticoceras Scott p. 1074
1953	Platynautilus Yabe and Ozaki p. 55
1964	Heminautilus Teichert et al. p. 454
1975	Heminautilus Shimansky p. 123
2002	Heminautilus Sepkoski
2012	Heminautilus Delanoy et al. p. 157
2016	Heminautilus Baudouin et al. p. 65

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Spiralia
superphylum	Lophotrochozoa
phylum	Mollusca

Rank	Name	Author
class	Cephalopoda	Cuvier 1797
subclass	Nautiloidea	Agassiz 1847
order	Nautilida	Agassiz 1847
superfamily	Nautiloidea	(de Blainville 1825)
family	Cenoceratidae	Tinant and Kabamba 1983
genus	Heminautilus	Spath 1927

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. †Heminautilus Spath 1927

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†Heminautilus boselliorum Delanoy et al. 2012

†Heminautilus etheringtoni Durham 1946

†Heminautilus japonicus Baudouin et al. 2016

†Heminautilus lallierianus d'Orbigny 1841

†Heminautilus rangei Hoppe 1922

†Heminautilus sanctaecrucis Conte 1980

†Heminautilus saxbii Morris 1848

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Invalid names: Heminautilus tejeriensis Martínez and Grauges 2006 [synonym], Nautilus verneuilli Vilanova y Piera 1870 [synonym]

†Heminautilus stantoni Scott 1940

†Heminautilus tyosiensis Yabe and Osaki 1963

Invalid names: Platynautilus Yabe and Ozaki 1953 [synonym], Vorticoceras Scott 1940 [synonym]

Diagnosis

No diagnoses are available

Measurements

part	N	mean	minimum	maximum	median	s.d.
shell height	41	68.2	24.7	108.0	74.4	20.5
shell diameter	41	114.0	35.0	173.9	128.0	35.5
shell inflation	41	0.185	0.001	6.50	3.00	2.26

Composition:

aragoniteo

Environment:

marinec

Locomotion:

actively mobileo

Life habit:

nektobenthico

Diet:

carnivoreo

Vision:

well-developedc

Created:

2005-01-28 02:35:00

Modified:

2009-09-27 12:10:42

Source: o = order, c = class

References: Kiessling 2003, Kiessling 2004

Age range: base of the Late/Upper Barremian to the top of the Late/Upper Aptian or 130.00000 to 113.00000 Ma

Collections (61 total)

Time interval	Ma	Country or state	Original ID and collection number
Early/Lower Barremian	130.0 - 125.45	Hungary	H. boselliorum (180737)
Early/Lower Barremian	130.0 - 125.45	France	H. boselliorum (180735 180736)
Early/Lower Barremian	130.0 - 125.45	Bulgaria (Lovech)	H. boselliorum (91682)
Early/Lower Barremian	130.0 - 125.45	France (Gard)	H. boselliorum (167342 167343 167344 181270)
Late/Upper Barremian	130.0 - 125.45	France	H. sanctaecrucis (180742 180746)
Late/Upper Barremian	130.0 - 125.45	Egypt	H. rangei (171300 180738)
Late/Upper Barremian	130.0 - 125.45	Japan	H. japonicus (66079 181259)
Late/Upper Barremian - Early/Lower Aptian	130.0 - 122.46	France	H. sanctaecrucis (180745)
Aptian	125.0 - 113.0	Egypt	Nautilus lallieri (171270)
Late/Upper Aptian	122.46 - 113.0	Colombia (Tolima)	H. etheringtoni (64088 64333)
Early/Lower Aptian	121.4 - 122.46	France	H. lallierianus (180754 180755 180756 180758 180759 181271 181274) H. sanctaecrucis (180743) H. saxbii (180744) Nautilus lallierianus (180753)
Early/Lower Aptian	121.4 - 122.46	United Kingdom	Nautilus saxbii (167481)
Early/Lower Aptian	121.4 - 122.46	Japan	H. tyosiensis (181261 181262) Platynautilus tyosiensis (181260)
Early/Lower Aptian	121.4 - 122.46	Mexico (Durango)	H. lallierianus (180767)
Early/Lower Aptian	121.4 - 122.46	Spain	H. lallierianus (180762 180763) H. saxbii (180747 180748 180749 180750 180751 180752)
Early/Lower Aptian	121.4 - 122.46	Venezuela	H. saxbii, H. etheringtoni (87913)
Early/Lower Aptian	121.4 - 122.46	Colombia (Tolima)	H. etheringtoni (181256)
Early/Lower Aptian	121.4 - 122.46	Switzerland	H. sanctaecrucis (167361 180740 180741) Nautilus lallierianus (2175)
Early/Lower Aptian	121.4 - 122.46	Spain (Teruel)	H. lallierianus (180760) H. lallierianus, H. saxbii (181273) H. saxbii (171201 171202 171203 171204) H. saxbii, H. tejeriensis (171199 171200) H. tejeriensis (171205 171206) Nautilus verneuilli (171198)
Early/Lower Aptian	121.4 - 122.46	Colombia (Boyacá)	H. etheringtoni (181257)
Early/Lower Aptian	121.4 - 122.46	USA (Arkansas)	Vorticoceras stantoni (181258)
Early/Lower Aptian	121.4 - 122.46	Mexico (Puebla)	H. lallierianus (180766)