490:
441:
117:
134:
155:
693:
Goewert, A. E.; Surge, D. (2007). "NASA ADS: Seasonal
Variations Preserved in an Extinct Neogene Scallop, Chesapecten, from Florida to Delaware, USA and its Implications for Paleobiogeography".
473:
lived on the seabed in coastal waters ranging in depth from a few feet to 130 feet. When not moving, it is assumed to have rested its flatter right valve on the seafloor. It is very likely that
308:
is that the radial ribs on its shell are crossed by much smaller, rough, concentric ribs, which follow the contours of the edges of the shell (are "conmarginal"). The left
930:
1009:
288:
It flourished in the shallow seas along the Mid-Atlantic during this period. Other scallops lived at the same time, but
Chesapectens were the most abundant.
477:
could move suddenly to escape a predator by flapping its valves and using the resulting jet propulsion, in a manner similar to that of almost all living
999:
904:
1004:
513:, about 4.5 to 4.3 million years ago); and madisonius during Late Pliocene time (Upper Yorktown Formation, about 4 to 3 million years ago).
989:
720:
681:
786:
816:
489:
503:
Different species dominated during different intervals of time: middlesexensis during the
Miocene (Eastover Formation);
304:
are characterized by a pattern of wide ribs which radiate outward from the apex of the shell. A distinctive feature of
761:(Mollusca: Bivalvia: Pectinidae) in the upper Miocene and Pliocene "Lower Tamiami Formation" of southwestern Florida"
154:
850:
676:
National
Audubon Society Field Guide to North American Fossils, page 465-466, Alfred A. Knopf Publishing New York,
994:
402:
650:
532:
505:
357:
752:
872:
333:
956:
497:
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702:
116:
984:
133:
510:
149:
961:
943:
935:
677:
948:
410:
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376:
was the first genus of North
American fossil to be described and illustrated; a drawing of
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309:
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820:
423:
843:
978:
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337:
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64:
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33:
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102:
94:
69:
922:
176:
866:
439:
434:
430:
266:
870:
651:"Information on Chesapecten from The Paleobiology Database"
409:
Ward and
Blackwater. In 1980, it was assigned to the
879:
855:from the Global Biodiversity Information Facility
844:Online photo gallery with several pictures of
8:
781:
779:
867:
787:"Bulletin 20: Miocene Fossils of Maryland"
132:
115:
20:
672:
670:
668:
666:
645:
643:
641:
639:
637:
635:
633:
631:
316:is more convex than the right valve. The
811:
809:
807:
747:
745:
743:
741:
488:
340:, where it can be found as far south as
273:known from marine strata from the early
627:
817:"Chesapecten Nefrens - zipcodezoo.com"
393:in 1687. However, Lister did not give
1010:Prehistoric bivalves of North America
7:
753:"Systematics and biostratigraphy of
296:Like some other large scallops, the
14:
391:Historiae Conchyliorum, Liber III
328:The geographical distribution of
153:
1000:Miocene genus first appearances
1:
1005:Pleistocene genus extinctions
509:during Early Pliocene (Lower
418:by Harold E. Vokes. The name
437:regularly expose specimens.
320:scar is large and rounded.
250:Ward & Blackwater, 1975
1026:
990:Prehistoric bivalve genera
695:American Geophysical Union
721:"The Geology of Virginia"
361:, is the state fossil of
244:
237:
150:Scientific classification
148:
140:
131:
123:
114:
23:
16:Extinct genus of bivalves
506:Chesapecten jeffersonius
494:Chesapecten jeffersonius
461:of York River, Virginia.
358:Chesapecten jeffersonius
142:Chesapecten jeffersonius
125:Chesapecten jeffersonius
433:and outcrops along the
369:History of the taxonomy
500:
462:
344:, and as far north as
334:Atlantic coastal plain
957:Paleobiology Database
516:Species in the genus
498:Tellus Science Museum
492:
443:
466:Habitat and behavior
451:and sponge borings (
292:Physical Description
846:Chesapecten nefrens
707:2007AGUFMPP51E..05G
246:Chesapecten nefrens
863:from Google Images
851:Information about
566:C. m. bayshorensis
546:C. m. sarasotensis
511:Yorktown Formation
501:
463:
332:is limited to the
972:
971:
944:Open Tree of Life
873:Taxon identifiers
560:C. middlesexensis
255:
254:
1017:
995:Neogene bivalves
965:
964:
952:
951:
939:
938:
926:
925:
913:
912:
900:
899:
898:
868:
832:
831:
829:
828:
819:. Archived from
813:
802:
801:
799:
798:
789:. Archived from
783:
774:
773:
771:
770:
765:
749:
736:
735:
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723:. Archived from
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684:
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661:
660:
658:
657:
647:
228:
158:
157:
136:
119:
109:
99:
36:
29:Temporal range:
21:
1025:
1024:
1020:
1019:
1018:
1016:
1015:
1014:
975:
974:
973:
968:
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955:
947:
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849:
841:
839:Further reading
836:
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768:
766:
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751:
750:
739:
730:
728:
719:
718:
714:
692:
691:
687:
675:
664:
655:
653:
649:
648:
629:
624:
616:C. skiptonensis
533:C. jeffersonius
487:
468:
422:comes from the
407:paleontologists
405:in 1975 by the
388:Martin Lister's
378:C. jeffersonius
371:
351:One species of
326:
318:adductor muscle
294:
281:of the Eastern
251:
248:
226:
152:
110:
100:
98:
97:
92:
87:
82:
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62:
57:
52:
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42:
31:
30:
27:
17:
12:
11:
5:
1023:
1021:
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1007:
1002:
997:
992:
987:
977:
976:
970:
969:
967:
966:
953:
940:
927:
914:
901:
885:
883:
877:
876:
871:
840:
837:
834:
833:
803:
775:
759:Carolinapecten
737:
712:
685:
662:
626:
625:
623:
620:
619:
618:
612:
610:C. septenarius
606:
600:
594:
588:
582:
576:
575:
574:
572:C. m. hunterae
568:
556:
554:C. marylandica
550:
549:
548:
536:
528:
496:fossil at the
486:
483:
467:
464:
424:Chesapeake Bay
403:formally named
370:
367:
325:
322:
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38:
37:
32:20.4β0.7
28:
15:
13:
10:
9:
6:
4:
3:
2:
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1008:
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991:
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983:
982:
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963:
958:
954:
950:
945:
941:
937:
932:
928:
924:
919:
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884:
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878:
874:
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865:
864:
862:
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854:
848:
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838:
823:on 2012-08-20
822:
818:
812:
810:
808:
804:
793:on 2010-08-26
792:
788:
782:
780:
776:
762:
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756:
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727:on 2010-05-08
726:
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708:
704:
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696:
689:
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683:
682:0-394-52412-8
679:
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642:
640:
638:
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634:
632:
628:
621:
617:
613:
611:
607:
605:
601:
599:
598:C. santamaria
595:
593:
589:
587:
583:
581:
577:
573:
569:
567:
563:
562:
561:
557:
555:
551:
547:
543:
542:
541:
540:C. madisonius
537:
535:
534:
529:
527:
526:C. coccymelus
523:
522:
521:
519:
514:
512:
508:
507:
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368:
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354:
349:
347:
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338:North America
335:
331:
323:
321:
319:
315:
311:
307:
303:
299:
291:
289:
286:
284:
283:United States
280:
277:to the early
276:
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247:
243:
240:
236:
233:
232:
225:
222:
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91:
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81:
76:
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61:
56:
51:
46:
41:
35:
26:
22:
19:
880:
860:
852:
845:
842:
825:. Retrieved
821:the original
795:. Retrieved
791:the original
767:. Retrieved
758:
754:
729:. Retrieved
725:the original
715:
698:
694:
688:
654:. Retrieved
615:
609:
603:
597:
592:C. quinarius
591:
585:
579:
571:
565:
559:
553:
545:
539:
531:
525:
517:
515:
504:
502:
493:
474:
470:
469:
452:
444:
419:
413:
398:
394:
390:
380:appeared in
377:
373:
372:
356:
352:
350:
329:
327:
324:Distribution
313:
305:
301:
295:
287:
258:
257:
256:
245:
239:Type species
230:
229:
141:
124:
24:
18:
918:iNaturalist
881:Chesapecten
861:Chesapecten
853:Chesapecten
755:Chesapecten
518:Chesapecten
475:Chesapecten
471:Chesapecten
457:) from the
445:Chesapecten
420:Chesapecten
399:Chesapecten
395:Chesapecten
374:Chesapecten
353:Chesapecten
330:Chesapecten
314:Chesapecten
306:Chesapecten
302:Chesapecten
279:Pleistocene
259:Chesapecten
231:Chesapecten
107:Pleistocene
25:Chesapecten
985:Pectinidae
979:Categories
859:Images of
827:2010-09-29
797:2010-09-29
769:2018-08-19
731:2010-09-29
656:2010-09-29
622:References
604:C. sayanus
586:C. nefrens
580:C. monicae
415:Pectinidae
397:its name.
385:naturalist
217:Pectinidae
127:(outside)
520:include:
449:barnacles
207:Pectinida
173:Kingdom:
167:Eukaryota
144:(inside)
105:to Early
896:Q5092898
890:Wikidata
479:scallops
459:Pliocene
426:, where
363:Virginia
346:Delaware
213:Family:
197:Bivalvia
187:Mollusca
183:Phylum:
177:Animalia
163:Domain:
949:4967662
936:1093323
910:8179117
703:Bibcode
485:Species
454:Entobia
435:beaches
428:eroding
382:English
342:Florida
275:Miocene
271:scallop
264:extinct
223:Genus:
203:Order:
193:Class:
103:Miocene
923:317865
680:
431:cliffs
411:family
298:shells
262:is an
101:Early
962:16548
931:IRMNG
764:(PDF)
310:valve
267:genus
905:GBIF
757:and
678:ISBN
401:was
348:.
285:.
40:Preκ
336:of
312:of
300:of
269:of
981::
959::
946::
933::
920::
907::
892::
806:^
778:^
740:^
701:.
699:51
697:.
665:^
630:^
481:.
447:,
365:.
355:,
90:Pg
34:Ma
830:.
800:.
772:.
734:.
709:.
705::
659:.
614:β
608:β
602:β
596:β
590:β
584:β
578:β
570:β
564:β
558:β
552:β
544:β
538:β
530:β
524:β
227:β
95:N
85:K
80:J
75:T
70:P
65:C
60:D
55:S
50:O
45:κ
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