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is typified by a tightly coiled helical spire on a large U-shaped body chamber with the aperture, in mature individuals, nearly touching and lying underneath the spire. The initial helical whorls are covered with fine ribs and may have small spines. The U-shaped body chamber has coarser ribbing and
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Larson, Neal L. 2012. The Late
Campanian (Upper Cretaceous) Cephalopod Fauna of the Coon Creek Formation at the Type Locality. The Journal of Paleontological Sciences: JPS.H.2012.01.
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417:, a proposed order of heteromorphs thought to have a separate derivation, though this separation does not have wide support.
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720:, 1957. Mesozoic Ammonoidea, Treatise on Invertebrate Paleontology, Part L. Geol Soc. of Amer. and Univ. Kans. press.
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in general form, except that its ribs may be flared and the constrictions may or may not be present.
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comes from "nostos" meaning return and "ceros" meaning horn, named as such by
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from the Alpine
Cretaceous (Grünbach, Gosau Group, Lower Austria)"
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large tubercles. Periodic constrictions may be present on the
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650:"First record of the Late Campanian heteromorph ammonite
541:. Species may coil either to the left or to the right.
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648:H. Summesberger, M. Machalski, M. Wagreich (2007).
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674:: CS1 maint: multiple names: authors list (
898:Late Cretaceous ammonites of North America
735:
397:is the type genus for the ammonite family
102:
20:
607:
559:
247:
667:
7:
429:are found in marine strata from the
883:Late Cretaceous ammonites of Europe
617:"Sepkoski's Online Genus Database"
557:could reach 90 mm in length.
14:
903:Campanian genus first appearances
386:because it bends back on itself.
576:
562:
115:
908:Maastrichtian genus extinctions
623:from the original on 2023-10-24
413:but may instead belong in the
1:
878:Fossil taxa described in 1894
729:A Pictorial Guide to Fossils
929:
693:"Fossilworks - Nostoceras"
405:. The Turrilitoidea, with
16:Genus of molluscs (fossil)
401:which is included in the
240:
235:
112:Scientific classification
110:
101:
23:
913:Fossils of Turkmenistan
658:Acta Geologica Polonica
615:Sepkoski, Jack (2002).
585:Nostoceras malagasyense
370:is an extinct genus of
32:Campanian–Maastrichtian
893:Ammonites of Australia
591:of Tulear (Madagascar)
570:Nostoceras hetonaiense
840:Paleobiology Database
731:by Gerard Ramon Case
888:Ammonites of Africa
433:stage of the Upper
310:N. monotuberculatum
300:N. mariatheresianum
868:Ammonitida genera
855:
854:
827:Open Tree of Life
741:Taxon identifiers
652:Nostoceras hyatti
555:Nostoceras hyatti
363:
362:
325:N. pleurocostatum
231:
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270:N. colubriformis
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29:Temporal range:
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340:N. saundersorum
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873:Nostoceratidae
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548:Bostrychoceras
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411:Ancyloceratina
399:Nostoceratidae
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260:N. approximans
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664:(4): 443–451.
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384:Alpheus Hyatt
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345:N. splendidus
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255:N. alternatus
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696:. Retrieved
670:cite journal
661:
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625:. Retrieved
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503:South Africa
487:Turkmenistan
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378:of the name
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354:type species
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285:N. helicinus
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24:
18:
773:Wikispecies
698:14 December
583:Fossils of
539:phragmocone
529:Description
451:Netherlands
425:Fossils of
415:Turrilitina
350:N. stantoni
335:N. rotundum
305:N. mendryki
295:N. kernense
280:N. draconis
250:N. adrotans
230:Hyatt, 1894
159:Cephalopoda
862:Categories
779:Nostoceras
749:Nostoceras
627:2023-12-14
543:Nostoceras
534:Nostoceras
515:Madagascar
501:, Africa (
491:Uzbekistan
483:Tajikistan
445:, Europe (
435:Cretaceous
427:Nostoceras
407:Nostoceras
395:Nostoceras
380:Nostoceras
367:Nostoceras
330:N. pulcher
315:N. obtusum
225:Nostoceras
191:Suborder:
185:Ammonitida
172:Ammonoidea
165:Subclass:
25:Nostoceras
589:Campanian
519:Australia
437:, in the
431:Campanian
376:etymology
372:ammonites
320:N. pauper
290:N. hyatti
135:Kingdom:
129:Eukaryota
764:Q7061968
758:Wikidata
621:Archived
545:is like
390:Taxonomy
275:N. danei
236:Species
204:Family:
149:Mollusca
145:Phylum:
139:Animalia
125:Domain:
832:4955401
819:1034086
806:3245897
716:Arkell
597:Sources
511:Nigeria
471:Germany
463:Denmark
459:Belgium
455:Austria
447:England
217:Genus:
178:Order:
155:Class:
718:et al.
507:Angola
467:France
449:, the
443:Mexico
374:. The
845:15267
814:IRMNG
793:63GF2
602:Notes
587:from
523:Japan
479:Italy
475:Spain
801:GBIF
700:2023
676:link
521:and
513:)),
499:Oman
495:Iraq
244:List
37:PreꞒ
788:CoL
481:),
439:USA
864::
842::
829::
816::
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684:^
672:}}
668:{{
662:57
660:.
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636:^
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517:,
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453:,
441:,
87:Pg
702:.
678:)
630:.
356:)
352:(
221:†
208:†
195:†
182:†
169:†
92:N
82:K
77:J
72:T
67:P
62:C
57:D
52:S
47:O
42:Ꞓ
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