765:
705:
108:
648:
226:
horsetails. Unique to this genus among other
Sphenophyllales is its lack of secondary xylem around the tips of the primary xylem arms. One of its species has also been placed in the genus
809:
620:
241:
749:
868:
848:
607:
802:
253:
401:
689:
853:
843:
795:
742:
883:
878:
838:
833:
888:
764:
735:
107:
312:
704:
863:
858:
682:
545:
517:
445:
575:
261:
364:
252:
The taxonomic status of the genus and its possible species is confused. As of
February 2024, the
873:
828:
675:
499:
292:
231:
102:
236:
625:
417:
397:
779:
719:
659:
491:
223:
175:
269:
132:
822:
772:
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264:
since its publication in 1974 because the species name on which the genus was based,
61:
503:
162:
36:
598:
81:
46:
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482:
gen. et comb. nov., a sphenopsid from the Late
Devonian of Hubei, China".
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76:
71:
56:
51:
41:
647:
612:
91:
66:
569:
775:
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119:
284:, but since the basionym was invalid, this name is also invalid.
655:
152:
142:
573:
195:
L.-H. Deng, X.-X. Li, Z.-Y. Zhou, R. Xu, J.-N. Zhu, nom. inval.
783:
723:
663:
394:
Paleobotany, The
Biology and Evolution of Fossil Plants
478:
Wang, De-Ming; Hao, Shou-Gang & Wang, Qi (2005). "
392:
Taylor, T.N.; Taylor, E.L. & Krings, M. (2009).
582:
396:(2nd ed.). Amsterdam; Boston: Academic Press.
317:L.-H. Deng, X.-X. Li, Z.-Y. Zhou, R. Xu, J.-N. Zhu
473:
471:
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426:Interim Register of Marine and Nonmarine Genera
242:Interim Register of Marine and Nonmarine Genera
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8:
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20:
359:
357:
484:Botanical Journal of the Linnean Society
353:
554:International Fossil Plant Names Index
526:International Fossil Plant Names Index
454:International Fossil Plant Names Index
373:International Fossil Plant Names Index
287:Both species that have been placed in
254:International Fossil Plant Names Index
7:
761:
759:
701:
699:
644:
642:
782:. You can help Knowledge (XXG) by
722:. You can help Knowledge (XXG) by
662:. You can help Knowledge (XXG) by
14:
869:Famennian genus first appearances
763:
703:
646:
496:10.1111/j.1095-8339.2005.00387.x
448:Sphenophyllostachys verticillata
321:Sphenophyllostachys verticillata
282:Sphenophyllostachys verticillata
106:
849:Late Devonian first appearances
1:
276:was transferred to the genus
207:
16:Extinct genus of horsetails
905:
771:This article related to a
758:
711:This article related to a
698:
641:
313:Hamatophyton verticillatum
274:Hamatophyton verticillatum
266:Hamatophyton verticillatum
222:is a genus of the extinct
854:Mississippian extinctions
520:Hamatophyton verticillata
272:was designated. In 1991,
230:, which is regarded as a
205:
200:
103:Scientific classification
101:
23:
844:Prehistoric plant genera
334:(G.-X. Chen) S.-N. Feng
658:-related article is a
338:Sphenophyllum yiduense
884:Paleozoic plant stubs
548:Hamatophyton yiduense
480:Rotafolia songziensis
342:Rotafolia songziensis
331:Hamatophyton yiduense
325:Rotafolia songziensis
298:Rotafolia songziensis
32:Famennian–Tournaisian
879:Devonian plant stubs
839:Mississippian plants
834:Late Devonian plants
336:, nom. inval., syns
319:, nom. inval., syns
291:are also treated as
889:Carboniferous stubs
278:Sphenophyllostachys
268:, is invalid as no
228:Sphenophyllostachys
791:
790:
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671:
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576:Taxon identifiers
403:978-0-12-373972-8
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864:Tournaisian life
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29:Temporal range:
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859:Famennian life
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773:Carboniferous
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133:Tracheophytes
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784:expanding it
770:
724:expanding it
710:
664:expanding it
653:
638:
584:Hamatophyton
583:
557:. Retrieved
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529:. Retrieved
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519:
512:
490:(1): 21–37.
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483:
479:
457:. Retrieved
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429:. Retrieved
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376:. Retrieved
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367:Hamatophyton
366:
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289:Hamatophyton
288:
286:
281:
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262:invalid name
258:Hamatophyton
257:
251:
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219:Hamatophyton
218:
217:
216:
206:
190:Hamatophyton
189:
188:
126:
25:Hamatophyton
24:
18:
163:Equisetidae
874:Fern stubs
829:Horsetails
823:Categories
559:2024-02-24
531:2024-02-24
459:2024-02-24
431:2024-02-24
420:Bowmanites
378:2024-02-24
348:References
293:synonymous
237:Bowmanites
159:Subclass:
139:Division:
116:Kingdom:
713:Devonian
599:Q5644158
593:Wikidata
504:82456089
256:regards
248:Taxonomy
208:See text
201:Species
626:1108269
613:4905587
305:Species
240:by the
232:synonym
182:Genus:
169:Order:
149:Class:
120:Plantae
502:
400:
260:as an
778:is a
776:plant
718:is a
716:plant
654:This
621:IRMNG
500:S2CID
295:with
127:Clade
780:stub
720:stub
660:stub
656:fern
608:GBIF
398:ISBN
270:type
37:PreꞒ
492:doi
488:148
280:as
234:of
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486:.
468:^
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371:.
356:^
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210:.
129::
87:Pg
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381:.
369:"
365:"
329:†
310:†
186:†
173:†
92:N
82:K
77:J
72:T
67:P
62:C
57:D
52:S
47:O
42:Ꞓ
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
