110:
587:
136:
447:(2006) "A USGS Zonal Table for the Upper Cretaceous Middle Cenomanian-Maastrichtian of the Western Interior of the United States Based on Ammonites, Inoceramids, and Radiometric Ages"
326:
by the presence of mid-lateral tubercles on the inner whorls, which later disappear or fuse with either umbilical or ventrolateral tubercles. Four subgenera are recognized
533:
412:(Summesberger H. and Kennedy W.J., Vienna, May 2022 "New results from the Coniacian and Santonian of the Gosau group" (Austria, Abh. Geol. B.A. Band 75, S. 5-13))
349:: Shell compressed, with high keel and steep umbilical wall. Early whorls have weak umbilical, strong mid-lateral, and fine, feeble ventrolateral tubercles.
667:
628:
507:
343:. Mid-lateral tubercles fuse with the umbilical. Keel disappears on outer whorl leaving venter flat or concave, bordered by ventrolateral clavi.
672:
662:
657:
621:
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135:
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355:: Inclusion doubtful. Known only from crushed specimens from Mexico. Mid lateral tubercle strengthens with age.
249:
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130:
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333:: Whorl section moderately to very inflated. Mid-lateral tubercles fuse with ventrolateral.
448:
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463:, 1957 Mesozoic Ammonidea. Treatise on Invertebrate Paleontology, Part L Ammonoidea.
520:
42:
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594:
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are considered marker fossils for the lower
Coniacian in the American West.
293:
147:
122:
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36:
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62:
57:
47:
32:
512:
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157:
469:
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320:are variable, it is easily distinguished from
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316:Although the whorl section and ornament of
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339:: Whorl section less inflated than with
439:
437:
433:
7:
583:
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376:(Boule, Lemoine and Thévenin, 1907)
601:. You can help Knowledge (XXG) by
420:was named for Robert Forrester of
288:. They flourished during the late
14:
450:USGS (Open-File Report 2006–1250)
668:Turonian genus first appearances
585:
134:
1:
300:, and were global in extent.
673:Coniacian genus extinctions
694:
663:Ammonites of North America
580:
396:Forresteria petrocoriensis
284:belonging to the subclass
16:Genus of molluscs (fossil)
262:
257:
131:Scientific classification
129:
116:
107:
23:
597:-related article is a
391:Forresteria neo-mexica
560:Paleobiology Database
658:Cretaceous ammonites
422:Salt Lake City, Utah
373:Forresteria alluaudi
302:Forresteria alluaudi
653:Collignoniceratidae
443:Cobban, William A.
404:Forresteria peruana
386:Forresteria hobsoni
381:Forresteria brancoi
306:Forresteria hobsoni
217:Collignoniceratidae
409:Forresteria seidli
353:F. (Zumpangoceras)
337:F. (Reesideoceras)
648:Ammonitida genera
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609:
575:
574:
547:Open Tree of Life
476:Taxon identifiers
413:
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377:
269:
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230:Barroisiceratinae
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678:Ammonitina stubs
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341:F. (Forresteria)
331:F. (Forresteria)
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29:Temporal range:
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125:of Madagascar
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603:expanding it
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296:of the Late
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118:
24:
18:
521:iNaturalist
484:Forresteria
459:W.J Arkell
418:Forresteria
366:Forresteria
364:species in
318:Forresteria
312:Description
273:Forresteria
244:Forresteria
223:Subfamily:
178:Cephalopoda
119:Forresteria
25:Forresteria
642:Categories
595:Ammonitina
428:References
298:Cretaceous
292:and early
286:Ammonoidea
282:cephalopod
204:Ammonitida
191:Ammonoidea
184:Subclass:
117:Fossil of
368:include:
294:Santonian
264:See text
154:Kingdom:
148:Eukaryota
123:Coniacian
121:species.
37:Santonian
499:Q5470556
493:Wikidata
290:Turonian
258:Species
210:Family:
168:Mollusca
164:Phylum:
158:Animalia
144:Domain:
33:Turonian
552:4955543
539:1325151
513:4625462
360:Species
250:Reeside
236:Genus:
197:Order:
174:Class:
565:129991
526:524738
461:et al.
252:, 1932
593:This
534:IRMNG
445:et al
278:genus
599:stub
508:GBIF
304:and
43:PreꞒ
280:of
644::
562::
549::
536::
523::
510::
495::
436:^
424:.
93:Pg
35:-
630:e
623:t
616:v
605:.
240:†
227:†
214:†
201:†
188:†
98:N
88:K
83:J
78:T
73:P
68:C
63:D
58:S
53:O
48:Ꞓ
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