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Melosirales
Discussion
Melosirales R.M. Crawford in Round et al. 1990
Taxonomy
Melosirales was named by Round et al. (1990). It is extant.
It was assigned to Bacillariophyceae by Round et al. (1990).
It was assigned to Bacillariophyceae by Round et al. (1990).
Synonymy list
Year | Name and author |
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1990 | Melosirales Round et al. |
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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.
Or. Melosirales Round et al. 1990
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Fm. Endictyaceae Round et al. 1990
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Fm. Hyalodiscaceae Round et al. 1990
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Fm. Stephanopyxidaceae Nikolaev 1984
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G. Stephanopyxis Ehrenberg 1845
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†Stephanopyxis corona Ehrenberg 1845
†Stephanopyxis lineata Ehrenberg 1854
†Stephanopyxis simonseni Hajos 1974
†Stephanopyxis turris Greville and Arnot 1857
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Reference: Kiessling 2004 |
Age range
Maximum range based only on fossils: base of the Campanian to the top of the Rancholabrean or 83.60000 to 0.01200 Ma
Minimum age of oldest fossil (stem group age): 72.1 Ma
Minimum age of oldest fossil (stem group age): 72.1 Ma
Collections (128 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Campanian | Canada | Stephanopyxis arctica, Stephanopyxis superba, Stephanopyxis dissonus, Stephanopyxis dissonus var., Stephanopyxis grunowi, Stephanopyxis turris (57616) Stephanopyxis dissonus, Stephanopyxis turris, Stephanopyxis simonseni (57657) | |
Campanian | Canada (Nunavut) | Stephanopyxis arctica (57263) Stephanopyxis arctica, Stephanopyxis grunowi (57439) Stephanopyxis dissonus, Melosira campaniensis (57442) Stephanopyxis grunowi (57440 57441) Stephanopyxis grunowi, Stephanopyxis sp. A, Trochosira denticulatum (57259) Stephanopyxis grunowi, Stephanopyxis turris (57262) Stephanopyxis sp. A (57261) | |
Campanian | Antarctica | Endictya lunyacsekii, Pyxidicula minuta, Stephanopyxis delectabilis, Stephanopyxis uralensis, Stephanopyxis weyprechtii, Melosira vetustissima, Stephanopyxis turris, Stephanopyxis simonseni (57573) Pyxidicula minuta, Stephanopyxis turris, Stephanopyxis simonseni (57574) | |
Campanian | Canada (Northwest Territories) | Stephanopyxis arctica, Stephanopyxis dissonus, Stephanopyxis dissonus var., Stephanopyxis grunowi, Stephanopyxis lavrenkoi, Stephanopyxis turris, Stephanopyxis simonseni (57625) Stephanopyxis arctica, Stephanopyxis dissonus, Stephanopyxis dissonus var., Stephanopyxis grunowi, Stephanopyxis turris, Stephanopyxis simonseni (57629 57630) Stephanopyxis arctica, Stephanopyxis dissonus, Stephanopyxis grunowi, Stephanopyxis turris, Stephanopyxis simonseni (57631 57632) Stephanopyxis arctica, Stephanopyxis dissonus, Stephanopyxis turris (57641) Stephanopyxis arctica, Stephanopyxis superba, Stephanopyxis dissonus, Stephanopyxis dissonus var., Stephanopyxis grunowi, Stephanopyxis turris, Stephanopyxis simonseni (57621 57622 57623 57626 57633) Stephanopyxis arctica, Stephanopyxis superba, Stephanopyxis dissonus, Stephanopyxis grunowi, Stephanopyxis lavrenkoi, Stephanopyxis turris, Stephanopyxis simonseni (57624) Stephanopyxis arctica, Stephanopyxis superba, Stephanopyxis dissonus, Stephanopyxis grunowi, Stephanopyxis turris (57612 57613 57617 57618 57619 57620) Stephanopyxis arctica, Stephanopyxis superba, Stephanopyxis dissonus, Stephanopyxis grunowi, Stephanopyxis turris, Stephanopyxis simonseni (57627) Stephanopyxis arctica, Stephanopyxis turris (57649) Stephanopyxis dissonus (57648) Stephanopyxis dissonus var., Stephanopyxis turris, Stephanopyxis simonseni (57653) Stephanopyxis dissonus, Melosira hokaidoana, Stephanopyxis turris (57643 57644) Stephanopyxis dissonus, Stephanopyxis dissonus var., Stephanopyxis turris, Stephanopyxis simonseni (57650) Stephanopyxis dissonus, Stephanopyxis grunowi, Stephanopyxis turris (57640 57645) Stephanopyxis dissonus, Stephanopyxis grunowi, Stephanopyxis turris, Stephanopyxis simonseni (57651 57654 57656) Stephanopyxis dissonus, Stephanopyxis turris (57635 57638 57639 57642 57655) Stephanopyxis dissonus, Stephanopyxis turris, Stephanopyxis simonseni (57660) Stephanopyxis grunowi, Stephanopyxis lavrenkoi (57607) Stephanopyxis grunowi, Stephanopyxis turris (57609 57611) Stephanopyxis simonseni (57658) Stephanopyxis sp. (57213 57214 57216 57218) Stephanopyxis superba, Stephanopyxis dissonus, Stephanopyxis dissonus var., Stephanopyxis grunowi, Stephanopyxis turris, Stephanopyxis simonseni (57628) Stephanopyxis superba, Stephanopyxis dissonus, Stephanopyxis grunowi (57614) Stephanopyxis superba, Stephanopyxis dissonus, Stephanopyxis grunowi, Stephanopyxis turris (57615) Stephanopyxis turris (57634 57659) Stephanopyxis turris, Stephanopyxis simonseni (57652) | |
Maastrichtian | Antarctica | Endictya lunyacsekii, Hyalodiscus russicus, Pyxidicula minuta, Stephanopyxis broschii, Stephanopyxis delectabilis, Stephanopyxis hannai, Stephanopyxis lavrenkoi, Stephanopyxis marginata, Stephanopyxis maxima, Stephanopyxis sp. A., Stephanopyxis sp. B., Stephanopyxis grunowii, Stephanopyxis weyprechtii, Melosira patera, Stephanopyxis turris, Stephanopyxis simonseni (57568) Endictya lunyacsekii, Pyxidicula minuta, Stephanopyxis edita, Stephanopyxis hannai, Stephanopyxis lavrenkoi, Stephanopyxis sp. A., Stephanopyxis sp. B., Stephanopyxis sp. C., Stephanopyxis grunowii, Stephanopyxis superba, Stephanopyxis uralensis, Stephanopyxis turris, Stephanopyxis simonseni (57558) Endictya lunyacsekii, Pyxidicula minuta, Stephanopyxis edita, Stephanopyxis lavrenkoi, Stephanopyxis marginata, Stephanopyxis turris, Stephanopyxis simonseni (57556) Endictya lunyacsekii, Pyxidicula minuta, Stephanopyxis hannai, Stephanopyxis lavrenkoi, Stephanopyxis marginata, Stephanopyxis sp. A., Stephanopyxis sp. B., Stephanopyxis grunowii, Stephanopyxis superba, Stephanopyxis uralensis, Stephanopyxis turris, Stephanopyxis simonseni (57560) Endictya lunyacsekii, Pyxidicula minuta, Stephanopyxis hannai, Stephanopyxis lavrenkoi, Stephanopyxis sp. A., Stephanopyxis sp. B., Stephanopyxis sp. D., Stephanopyxis superba, Stephanopyxis uralensis, Melosira patera, Stephanopyxis turris (57565) Endictya lunyacsekii, Pyxidicula minuta, Stephanopyxis hannai, Stephanopyxis sp. A., Stephanopyxis uralensis, Stephanopyxis turris, Stephanopyxis simonseni (57569) Endictya lunyacsekii, Pyxidicula minuta, Stephanopyxis lavrenkoi, Stephanopyxis grunowii, Stephanopyxis superba, Stephanopyxis turris, Stephanopyxis simonseni (57562) Endictya lunyacsekii, Pyxidicula minuta, Stephanopyxis sp. B., Stephanopyxis superba, Stephanopyxis uralensis, Stephanopyxis simonseni (57570) Endictya lunyacsekii, Stephanopyxis hannai, Stephanopyxis lavrenkoi, Stephanopyxis marginata, Stephanopyxis sp. A., Stephanopyxis sp. C., Stephanopyxis grunowii, Stephanopyxis superba, Stephanopyxis uralensis, Stephanopyxis turris, Stephanopyxis simonseni (57563) Endictya lunyacsekii, Stephanopyxis hannai, Stephanopyxis lavrenkoi, Stephanopyxis superba, Stephanopyxis uralensis, Melosira patera, Stephanopyxis turris, Stephanopyxis simonseni (57567) Endictya lunyacsekii, Stephanopyxis lavrenkoi, Stephanopyxis superba, Melosira patera, Stephanopyxis turris, Stephanopyxis simonseni (57559) Endictya lunyacsekii, Stephanopyxis maxima, Stephanopyxis sp. A., Stephanopyxis superba, Stephanopyxis turris, Stephanopyxis simonseni (57557) Pyxidicula minuta, Stephanopyxis hannai, Stephanopyxis lavrenkoi, Stephanopyxis sp. A., Stephanopyxis sp. B., Stephanopyxis superba, Melosira patera, Stephanopyxis turris (57566) Pyxidicula minuta, Stephanopyxis superba, Stephanopyxis turris, Stephanopyxis simonseni (57571) Stephanopyxis hannai, Stephanopyxis lavrenkoi, Stephanopyxis marginata, Stephanopyxis sp. A., Stephanopyxis sp. B., Stephanopyxis grunowii, Stephanopyxis superba, Stephanopyxis uralensis, Stephanopyxis turris, Stephanopyxis simonseni (57561) Stephanopyxis hannai, Stephanopyxis lavrenkoi, Stephanopyxis sp. A., Stephanopyxis sp. B., Stephanopyxis superba, Stephanopyxis uralensis, Stephanopyxis turris, Stephanopyxis simonseni (57564) Stephanopyxis hannai, Stephanopyxis sp. A., Stephanopyxis sp. B., Stephanopyxis superba, Melosira patera, Stephanopyxis turris (57554) Stephanopyxis hannai, Stephanopyxis superba, Stephanopyxis turris (57555) Stephanopyxis uralensis, Stephanopyxis turris, Stephanopyxis simonseni (57572) | |
Paleocene | Antarctica | Endictya lunyacsekii, Hyalodiscus russicus, Pyxidicula minuta, Stephanopyxis hannai, Stephanopyxis lavrenkoi, Stephanopyxis maxima, Stephanopyxis superba, Stephanopyxis uralensis, Stephanopyxis weyprechtii, Melosira patera, Stephanopyxis turris, Stephanopyxis simonseni (57542) Endictya lunyacsekii, Hyalodiscus russicus, Pyxidicula minuta, Stephanopyxis hannai, Stephanopyxis lavrenkoi, Stephanopyxis sp. B., Stephanopyxis superba, Stephanopyxis uralensis, Melosira patera, Stephanopyxis turris, Stephanopyxis simonseni (57537) Endictya lunyacsekii, Podosira simpla, Pyxidicula minuta, Stephanopyxis delectabilis, Stephanopyxis edita, Stephanopyxis hannai, Stephanopyxis lavrenkoi, Stephanopyxis maxima, Stephanopyxis sp. B., Stephanopyxis sp. C., Stephanopyxis superba, Stephanopyxis uralensis, Melosira patera, Melosira vetustissima, Stephanopyxis turris, Stephanopyxis simonseni (57547) Endictya lunyacsekii, Podosira simpla, Pyxidicula minuta, Stephanopyxis turris, Stephanopyxis simonseni (57539) Endictya lunyacsekii, Pyxidicula minuta, Stephanopyxis delectabilis, Stephanopyxis edita, Stephanopyxis hannai, Stephanopyxis lavrenkoi, Stephanopyxis sp. A., Stephanopyxis sp. B., Stephanopyxis superba, Stephanopyxis uralensis, Melosira patera, Stephanopyxis turris, Stephanopyxis simonseni (57549) Endictya lunyacsekii, Pyxidicula minuta, Stephanopyxis delectabilis, Stephanopyxis edita, Stephanopyxis hannai, Stephanopyxis lavrenkoi, Stephanopyxis sp. B., Stephanopyxis grunowii, Stephanopyxis superba, Stephanopyxis uralensis, Stephanopyxis weyprechtii, Melosira patera, Stephanopyxis turris, Stephanopyxis simonseni (57545) Endictya lunyacsekii, Pyxidicula minuta, Stephanopyxis delectabilis, Stephanopyxis edita, Stephanopyxis hannai, Stephanopyxis marginata, Stephanopyxis maxima, Stephanopyxis sp. A., Stephanopyxis sp. B., Stephanopyxis grunowii, Stephanopyxis superba, Stephanopyxis uralensis, Stephanopyxis turris, Stephanopyxis simonseni (57552) Endictya lunyacsekii, Pyxidicula minuta, Stephanopyxis delectabilis, Stephanopyxis edita, Stephanopyxis hannai, Stephanopyxis maxima, Stephanopyxis sp. B., Stephanopyxis grunowii, Stephanopyxis superba, Stephanopyxis uralensis, Melosira patera, Stephanopyxis turris, Stephanopyxis simonseni (57540) Endictya lunyacsekii, Pyxidicula minuta, Stephanopyxis delectabilis, Stephanopyxis edita, Stephanopyxis hannai, Stephanopyxis maxima, Stephanopyxis sp. B., Stephanopyxis superba, Stephanopyxis uralensis, Stephanopyxis weyprechtii, Melosira patera, Melosira vetustissima, Stephanopyxis turris, Stephanopyxis simonseni (57538) Endictya lunyacsekii, Pyxidicula minuta, Stephanopyxis delectabilis, Stephanopyxis maxima, Stephanopyxis sp. B., Stephanopyxis grunowii, Melosira patera, Stephanopyxis turris, Stephanopyxis simonseni (57541) Endictya lunyacsekii, Pyxidicula minuta, Stephanopyxis edita, Stephanopyxis hannai, Stephanopyxis lavrenkoi, Stephanopyxis maxima, Stephanopyxis sp. A., Stephanopyxis sp. B., Stephanopyxis sp. C., Stephanopyxis sp. D., Stephanopyxis superba, Stephanopyxis uralensis, Stephanopyxis turris, Stephanopyxis simonseni (57550) Endictya lunyacsekii, Pyxidicula minuta, Stephanopyxis edita, Stephanopyxis sp. B., Stephanopyxis sp. C., Stephanopyxis superba, Stephanopyxis uralensis, Stephanopyxis turris, Stephanopyxis simonseni (57548) Endictya lunyacsekii, Stephanopyxis edita, Stephanopyxis hannai, Stephanopyxis maxima, Stephanopyxis sp. B., Stephanopyxis sp. D., Stephanopyxis turris, Stephanopyxis simonseni (57551) Endictya lunyacsekii, Stephanopyxis edita, Stephanopyxis turris (57546) Pyxidicula minuta, Stephanopyxis edita, Stephanopyxis hannai, Stephanopyxis lavrenkoi, Stephanopyxis sp. B., Melosira patera, Stephanopyxis turris, Stephanopyxis simonseni (57553) Pyxidicula minuta, Stephanopyxis superba, Stephanopyxis uralensis, Melosira vetustissima, Stephanopyxis turris, Stephanopyxis simonseni (57543) Stephanopyxis lavrenkoi, Stephanopyxis superba, Stephanopyxis uralensis, Melosira patera, Stephanopyxis turris, Stephanopyxis simonseni (57544) | |
Early/Lower Eocene - Late/Upper Miocene | Argentina | Melosira sp. (32201) | |
Lutetian | Russian Federation (Kamchatka) | Hyalodiscus sp., Stephanopyxis grunowii, Stephanopyxis marginata, Stephanopyxis superba, Stephanopyxis sp., Trochosira spinosa, Stephanopyxis turris (202259) | |
Middle Eocene | USA (California) | Stephanopyxis sp., Stephanopyxis grunowii, Stephanopyxis hyalomarginata (201732) | |
Middle Eocene | Mexico (Baja California) | Melosira architecturalis, Melosira sulcata (201728 201729 201730) | |
Aquitanian - Langhian | USA (North Carolina) | Endictya robusta, Stephanopyxis grunowii, Trochosira concava, Stephanopyxis turris, Melosira westii, Paralia complexa, Stephanopyxis corona, Stephanopyxis lineata, Hyalodiscus laevis (48887) | |
Miocene | USA (Washington) | Melosira biseriata, Melosira distans, Melosira granulata, Melosira lyrata, Melosira teres, Melosira undulata (224397) | |
Neogene | India (Andaman and Nicobar Islands) | Podosira argus, Stephanopyxis minuta, Stephanopyxis nankoorensis, Stephanopyxis pandura, Stephanopyxis turris, Endictya oceanica (224619) | |
Burdigalian - Langhian | Mexico (Baja California) | Stephanopyxis sp. (236356) | |
Langhian | Mexico (Baja California) | Stephanopyxis sp. (52183) | |
Serravallian | USA (Virginia) | Stephanopyxis grunowii (57700) | |
Serravallian | USA (Maryland) | Stephanopyxis turris, Melosira westii, Paralia complexa, Pyxidicula cruciata, Stephanopyxis corona, Stephanopyxis lineata, Hyalodiscus laevis (70546) | |
Tortonian - Zanclean | Ethiopia | Melosira sp. (22159) | |
Zanclean | Japan | Hyalodiscus obsoletus, Pyxidicula zabelinae, Stephanopyxis sp., Melosira albicans, Melosira sol (55643) | |
Zanclean | Japan (Iwate) | Stephanopyxis sp. (56300) | |
Pliocene | USA (California) | Melosira granulata (234661) | |
Pliocene | Armenia (Ararat) | Melosira sp. (219091) | |
Pliocene - Quaternary | Chile (Atacama) | Stephanopyxis sp. (221934) | |
Blancan | USA (California) | Melosira granulata (234637) | |
Piacenzian | Japan | Hyalodiscus obsoletus, Stephanopyxis dimorpha, Stephanopyxis horidus, Melosira albicans, Stephanopyxis turris (101907) | |
Piacenzian - Gelasian | Ethiopia (Upr WebiShebele Basn) | Melosira sp. (22569 22570) | |
Gelasian | Kenya | Melosira granulata (21537) | |
Gelasian | Ethiopia | Melosira granulata (21555) | |
Pleistocene | India (Kashmir) | Melosira arenaria (224612) | |
Pleistocene | USA (California) | Melosira granulata (234664) | |
Rancholabrean | USA (California) | Melosira solida (184915 184916) | |
Late/Upper Pleistocene | Sweden | Melosira sp. (162752) |