• KEKAHI MAUA
• Ka manawa ola a me kahi noho (manawa): Triassic - Cretaceous (hoʻomaka) nā manawa (ma kahi o 199.6 - 65.5 miliona mau makahiki i hala)
• Loaʻa: no ka manawa mua i ka 1824, ʻEnelani
• Aupuni: Nā holoholona
• Era: Mesozoic
• Kuhi: Nā Chordates
• Kāpili: Plesiosaurs
• Māhele: ʻĀina
• Kāhea: Zavroperterigia
• Kāohi: Plesiosaurus
• Genus: Notosaurs

Ke ʻike nei i loko o nā kiʻi o kēia pangolin kūlohelohe maʻalahi, he nui ka poʻe e hoʻokau hewa ʻana me ka Loesses Monster. Nui nā subspecies o plesiosaurs - lōʻihi a ʻāʻī a pīpī nā pliosaurs lōʻihi.

He nui ka plesiosaurus, noho ʻia ma lalo o ka wai, a ʻo ka pale nui ka pānaʻi ponoʻī ʻana o kāna iwi aloha, mahalo hoʻi i kona mau iwi i mālama ʻia ma mua o nā hana āpau.

He aha kāu mea e ai ai a me ke ala a ke ʻano

Noho i nā kai a me nā kai. Loaʻa nā koena o Plesiosaurus ma nā ʻāina ʻē a pau, ʻo ia hoʻi i Antarctica. Ua aneane koʻu ola a pau i lalo o ka wai, i kekahi manawa ke piʻi mai nei au e hanu i ka ea. Eia nō hoʻi, mai kēlā manawa i kēia manawa, ulu nā kānaka me ka ʻāʻī lōʻihi e hopu i nā manu lele i ka ʻai, no ka mea, ua lōʻihi ka lōʻihi o ka ʻāʻī e hana iā lākou i kēia hana, akā naʻe ka ʻai nui ka iʻa. E like me kona kūpuna, nā notosaurus, nā plesiosaurus i waiho i nā hua ma ke one.

No ka mea Nui nā ʻano o Plesiosaurs, ʻili lākou i ʻokoʻa like. ʻO ke kīhini loi pōkole ua wikiwiki a ua hōʻoki ʻia i ka nui o ka nui o ka mea o ko lākou mau kino i ka mea nāna. Ma muli o ko lākou ʻāʻī lōʻihi, ua hoʻohana ka hale lōʻihi i ka hoʻopunipuni, hoʻopaʻa ʻia lākou i kahi kula o ka iʻa mai kahi mamao a me ka hiki ke kahakahaʻi me ia i ko lākou mau poʻo, a ma hope o ka hopu ʻana i kā lākou ʻai, pono ʻole.

Nā kikoʻī kikoʻī o ke kino

ʻO ka plesiosaurus he mauhe nui, ʻo ke kino e like me ka pā, ke ʻāʻī a me nā lima o nā ʻano like ʻole e like me ka lōʻihi a me ka laulā. ʻO ka wahine ʻoi loa, akā ʻo ka huelo pōkole wale nō i lawelawe i ka wai. He ikaika loa nā kihi a hoʻokumu ʻia i ka pale o ke kino a me nā ʻōpū mai ka manaʻo o ka wai, pono no ka pangolin, no ka mea makemake nui ʻo ia e iho i ka hohonu o ke kai a loaʻa iā lākou mai nā kula iʻa.

ʻOkoʻa

ʻElua nā palena o ka plesiosaurs - plesiosaurids lōʻihi ka lōʻihi (a me ka ʻohana o cymoliazavros) a me nā pihoihiki puʻupuʻu pōkole.

ʻO ka plesiosaur nui nui loa nā pliosauroids o ka genera Kronosaurus (Kronosaurus) mai ka Pihi Kaiulaha o Australia a me lyopleurodon (Liopleurodon) mai nā Jurassic kiʻekiʻe oʻEulopa, Rusia a me ʻAmelika Hema. ʻO kēlā, a i ʻole e hiki i kekahi ke hele i 15 m ka lōʻihi.

ʻO ka hele ʻana o ka BBC me nā Dinosaurs i hōʻike ʻia i kahi lyopleurodon kiʻekiʻe 25 mika. Akā helu iki kēia mau helu helu. ʻO nā koena i manaʻo ʻia no kahi lyopleurodon nunui mai ʻEnelani, nona nā dinosaur buta. Eia nō naʻe, i ka makahiki 2005, ua ʻike ʻia nā koena o ka pliosaurus nunui i Mexico, ʻo ka lōʻihi o ia, e hoʻoholo ana ma nā helu la, ua hiki i 20 m. Akā, he mau hypothetical kēia mau helu.

He ʻauhau

• KāheaSauropterygia
  • ʻO Pistosaurus
  • Kaoha: Plesiosaurs (Plesiosauria)
    • Kelolihi Plesiosauroidea
      • ʻO nā Plesiopterys
      • ʻO ka ʻohana Plesiosauridae
      • Ka waiwai Euplesiosauria
        • Superfamily Cryptoclidoidea
          • ʻO ka ʻohana Cryptoclididae
          • Ka waiwai Tricleidia
            • ʻOhana Tricledidae
            • ʻO ka ʻohana Cimoliasauridae
            • ʻO ka ʻohana Polycotylidae
            • Kauʻohana Elasmosauridae
    • KelolihiPliosauroidea
      • ʻO Bishanopliosaurus
      • Megalneusaurus
      • Pachycostasaurus
      • Sinopliosaurus
      • Thalassiodracon
      • Archaeonectrus
      • Attenborosaurus
      • Eurycleidus
      • ʻO ka ʻohana Rhomaleosauridae
      • ʻO ka ʻohana Leptocleididae
      • ʻO ka ʻohana Pliosauridae

ʻAno hānau

ʻO ka hoʻopaʻapaʻa e pili ana i nā kuʻuna o nā plesiosaurs e hala nei no 200 mau makahiki.

He nui nā loea e manaʻoʻiʻo ana ma muli o ke kaumaha nui ua paʻakikī ke komo i uka a waiho i nā hua manu, ʻo ia hoʻi, pono lākou e viviparous. Loaʻa ka hōʻike hōʻike mua no kēia mea ma hope o ka hana akahele ʻana o ka huelo fossilized o ka plesiosaurus (aia lākou i ka papa o ka Hale Hōʻikeʻike o ke Kaukaʻi Pūnaewele ma Los Angeles no kahi o 20 mau makahiki).

ʻO ka Plesiosaurs i ka moʻomeheu honua

Ua kū ʻia nā Plesiosaur ma nā hana he nui. ʻO ka puke mua ma kahi i loaʻa ai ka plesiosaurus, ʻo ka huakaʻi ʻo Jules Verne i ka Center o ka Honua, kahi i loaʻa ai ka plesiosaurus ka lōʻihi. Ma ka moʻolelo ma A. Conan-Doyle "The Lost World", ua haʻi ʻia kahi wai puna wai ka wai punahele e noho ana ma ka loko waena. I loko o ka moʻolelo a V.A. Obruchev he mea wehewehe i ʻelua plesiosaurs e hakakā ana ma luna o ka iʻa. Aia ke kiʻi ʻoi loa o ka plesiosaur i loaʻa i ka hana a Harry Adam Knight "Carnosaurus".

Ua ʻike ʻia nō hoʻi ʻo Plesiosaurs i nā kiʻiʻoniʻoni he nui. ʻO ka kiʻi kaulana a hoʻomanaʻo ʻia ʻo ke kiʻi Pelekane o Iapana i ka Panana o nā Dinosaur a me ka kiʻiʻoniʻoni Pelekane o The Land Hupa e ka manawa.

I nā kiʻiʻoniʻoni, plesiosaurs ka hapanui o nā ʻīlio nui he nui i hoʻohuihui ʻia. Akā mamao loa kēia kiʻi ma ka ʻoiaʻiʻo. ʻOi aku ka ʻoiaʻiʻo, plesiosaurs i hōʻike ʻia ma ke ʻano kīwī o BBC e hele ana me Dinosaurs.

Hōʻike ka plesiosaurus i nā manawa 22 o ka manawa 3 o ka hana paʻi X-faila, Quagmire.

Ua hōʻike ʻia nō hoʻi ʻo Plesiosaurs i nā pāʻani wikiō ʻo Dinosaur Crisis 2 a me Turk: Evolution.

ʻO Plesiosaurs i kā ka moʻolelo o kēia manawa

• ʻO Nessie ka mea aloha kaulana, e noho ana ma ka Scottish Lake Loch Ness, e like me kekahi o ka noiʻi ʻana, ʻo ia nō ka hope o ka plesiosaurs. Puhihea ʻia nā Plesiosaurs i ka wehewehe ʻana o kekahi mau heihei ʻē aʻe. Aia kēia mau loko āpau ma nā puʻu kiʻekiʻe o ka ʻākau ʻākau a loaʻa i nā kalst karst i ka lalo.

Nā Nānā

1. ↑De la Beche, H.T., a me W.D. Conybeare, 1821, "Ka hoʻomaopopo o ka loaʻa ʻana o kekahi holoholona hou, hana i ka pilina ma waena o ka Ichthyosaurus a me ka crocodile, hui pū me nā manaʻo maʻamau o ka osteology o Ichthyosaurus". Nā liuliu o ka Geological Society o London5: 559—594.
2. ↑ʻAʻole waiho Plesiosaurs i ka hua, ʻōlelo ka poʻe ʻepekema

E nānā i nā mea "Plesiosaurs" i loko o nā ʻatikala ʻē aʻe:

ʻO nā Plesiosaurs - he ʻina kahi o nā reptile kai piha o ka hui sauroperigia. Hoʻonohonoho lākou a hiki i ka 15 m. He lōʻihi lōʻihi lākou. ʻIke ʻia mai ka Middle Triassic a i ka Late Cretaceous i nā ʻāpana moana i nā mokupuni ʻē aʻe (koe wale nō ʻo Antarctica), me Rusia hoʻi (Volga māhele, ... ... Big Encyclopedic Dictionary

ʻO nā Plesiosaurs - (Plesiosauria), suborder o ka reptile neg. sauroterigius. Kaulana ʻia mai ka Middle Triassic a me ka Late Cretaceous o Eurasia, ʻApelika, ʻAralia, ʻAmelika, ma ka ʻāina. ʻO USSR ma ka moku o Volga, ʻāpana o Moscow, ma Ukraine, i nā Urals, Siberia. Loaʻa i ka pōmaikaʻi i loko o ka Jurassic ... Biological Encyclopedic Dictionary

plesiosaurs - he ʻina kahi o nā reptile kai piha o ka hui sauroperigia. Hoʻonohonoho lākou a hiki i ka 15 m. He lōʻihi lōʻihi lākou. Ua ʻike ʻia lākou mai ka Middle Triassic a i ka Late Cretaceous i ka ʻili lawaiʻa o nā mokuna ʻē aʻe (koe wale nō ʻo Antarctica), a me Rusia hoʻi (Volga pae, ... ... Encyclopedic dictionary

ʻO nā Plesiosaurs - (Plesiosauria) ka palena ākea o nā reptile fossil nui o ka ʻōlelo sauroopterygian o ka subclass o nā synaptosaurs (See. Synaptosaurs). Noho lākou i ka Triassic Cretaceous. ʻO ke kino ka 15 m ka lōʻihi, ʻo ka vertebrae he 100 150 me nā papa ma kahi pālahalaha, ... Great Soviet Encyclopedia

ʻO nā Plesiosaurs - suborder o ka maʻi manawaleʻa. reptiles neg. sauroperigia. No ka a hiki i 15 m. He lōʻihi kā lākou. ʻIke ʻia mai cf. Triassic i ka Late Cretaceous i ka maʻi maʻi. nā mea hoʻonaʻauao no nā ʻāina āpau (koe wale nō ʻo Antarctica), me ka ʻāina. Lūkia (māhele Volga, rohe ʻo Moscow, Siberia). P. ... ... ʻepekema kūlohelohe. ʻ .lelo Pelekane

plesiosaurs - (gr. Plesios kokoke +. Saur) kahi hui o nā reptile moana kai nui i ka wā Mesozoic me kahi ʻuʻuku liʻiliʻi a me ka ʻāʻī lōʻihi, aia ka mea mua e pili ana i ka pili me plesiosaurs me nā kīlio, i hōʻike ʻia ma ka inoa (ʻike pū kekahi pliosaurs ... ... ... ʻ wordslelo Pelekane nā huaʻōlelo Russian waho ʻolelo

ʻO Plesiosaur -? † Plesiosaurus Plesiosaurus Palapala Kahiko Mīkini: Nā holoholona Mīkini: Chordata Class: Reptiles ... Wikipedia

Kuhi aoao4 - Ke hoʻohālikelike nei nā pahu e hoʻohālikelike me nā amphibians i ke ʻano o ka hoʻololi ʻana o nā vertebrates i ke ola ma ka ʻāina. ʻO ia nā poʻo mua o ka terestrial maoli, i ʻike ʻia e ka ulu ʻana o ka ʻāina ma o ka hua, hānai ... ... Biological Encyclopedia

KAʻIOLOHE -O ka ʻepekema o ke ʻano a me ka mōʻaukala o ka Honua. ʻO nā mea nui o ka noiʻi he mau pōhaku, ka mea e hōʻike ana i ka moʻolelo geological o ka Honua, a me nā kaʻina kino pilikino a me nā kaʻina hana e kū nei ma luna o kona hāpau a me nā kikoʻī, ... ... Collier Encyclopedia

ʻO nā lāliʻipiʻo -? † Pliosaurids Pliosaur ... Wikipedia

ʻIke moʻolelo

ʻO nā hua lua o nā iwi o ka plesiosaurs kekahi o nā hua mua o nā reptile i koe i lilo i 'ike i ka' epekema. I ka makahiki 1605, ua hōʻike ʻia ʻo Richard Verstegen mai Antwerp, i kāna hana i ka vertebrae mua o ka plesiosaurus, akā ua helu ʻo ia ʻo ia he mau iwi o ka iʻa kahiko, ua hōʻike pū ʻo ia i kona manaʻo ua pili nui ʻo Great Britain me ka ʻekena ʻEulopa. I ka makahiki 1699, ua hana ʻo Edward Lewid ma kāna hana i nā kiʻi o nā iwi o ka plesiosaurus, i manaʻo ʻia i ka vertebrae o ka huaʻōlelo. Ichthyospondyli. ^ E Ha yM. ʻO nā kūlohelohe o 17 mau kenekulia, e like me John Woodward, i loaʻa i nā iwi plesiosaur i loko o kā lākou hōʻiliʻili, ʻike ʻia i kēia lā i ka Hale Hōʻikeʻike ʻo Sedgwick, University of Cambridge, ʻEnelani.

ʻO ka ʻO Plesiosaurus Fossil, 1719

I ka 1719, ua wehewehe ka Pelekānia ʻo William Stuckley i ka hapa mua o ka ʻōpū o ka plesiosaur, kahi i lawe mai ai iā ia e Robert Darwin, mai Elston. ʻO kahi ʻāpana pōhaku me nā foste e lūlū ʻia i kahi pā hale kokoke i ke kūlanakauhale o Fulbek. Ua manaʻo ʻo Stuckley, ua hōʻike kēia mau iwi i kekahi ʻano o nā mea iʻa o ke kai, aiʻa paha a he dolphin paha. I kēia lā, ʻo kēia laʻana, ma lalo o ka helu helu BMNH R.1330, e mālama ʻia ana i ka Hale Hōʻikeʻike o Kānāwai o Lākana a ʻo ia ka hapa mua o nā ʻāpana o ka reptile moana mai ka hōʻiliʻili o ka hale waihona puke.

Plesiosaurus dolichodeirus (W. Conybeare, 1824)

I ka hoʻomaka ʻana o nā kenekulia 19, ʻike mau ʻia ka plesiosaurs. I ka hopena, i ka makahiki 1821, ua hōʻemi ʻia kekahi ʻili puahiwi, mai ka ʻohi o Thomas James Birch, na William Coniber lāua ʻo Henry Thomas De la Beche ma lalo o kahi ʻano ʻano hou, kahi i kapa ʻia ka plesiosaurus - ʻO Plesiosaurus. ^ E Ha yM. Ua loaʻa kēia inoa mai ka Greek πλήσιος (plesios) - "kokoke" a me ka saurus Latin, ma ke ʻano he "līkī" a me ke ʻano o ka plesiosaurus a kokoke i nā reptile e like me ka crocodile, ma nā ichthyosaurs, he ʻano like me kahi iʻa. Nā kuʻikahi o kēia hanana i ka kolamu o ka Hale Hōʻikeʻike o ke Kulanui, University of Oxford.

ʻIke ʻia ʻo Plesiosaurus e Mary Enning i ka lā Dekemaba 1823

ʻAʻole i liuliu ʻia nā loaʻa hou. I ka makahiki 1823, ua hōʻike ʻo Thomas Clark i kahi ʻaka piha piha o kahi plesiosaurus (paha i pili i ka genus thalassiodracon Thalassiodracon), ka mea i wehewehe ʻia e ka Pelekikena Geological Pelekane ma kahi hoʻohālike o BGS GSM 26035. I ka makahiki like, ua ʻike ʻia kahi mea maʻi manuahi, ʻo Mary Anning i kahi kikoʻe piha i loko o Lyme Regis, kokoke i Dorset, i nā mea hana i kēia manawa i kapa ʻia ʻo "The Jurassic Coast." Ua kūʻai ʻia kekahi kope e Duke o Buckingham, nāna i hana no ke aʻo ʻana iā Kauka William Bikane. Ma Pepeluali 24, 1824, ua hōʻike ʻia kēia hoʻohālike e William Coniber ma ke kūkā e ka Geological Society o London ma lalo o ke ʻano o ʻO Pichiosaurus dolichodeirus, ke ʻano inoa o ka inoa ʻano "long-necked", ma ka hālāwai like, kahi hou o ka dinosaur - a megalosaurus - ua hōʻike ʻia e ka ʻepekema. Ua ʻike ʻia ʻo Plesiosaurs i ka mahalo nui o ka lehulehu i nā mea paʻi kiʻi o Thomas Hawkins: "Memoirs of Ichthyosaurs and Plesiosaurs" o 1834 a "The Book of the Great Sea Dragons" o 1840. Ua hōʻike ʻo Hawkins i ka ʻike o nā holoholona, ​​e nānā ana iā lākou me nā mea hoʻomohala maikaʻi o ka diabolo, i nā lā ma mua o ka mōʻaukala o ka honua ʻAmelika (ma mua o ka puka ʻana o ke kanaka). Hiki ke ʻike ʻia kēia mau kiʻi mele i ka Hale Hōʻikeʻike o Pelekane o Pelekane.

Plesiosaurus macrocephalus (1894)

ʻO kaosa, ʻo ia ka mea i ʻike ʻia ma ka ʻaoʻao ʻelua i ʻike ʻia e Mary Anning ma Lyme Regis, i Dekemaba 1830, ua kapa ʻia ʻo William Bikane i ka makahiki 1836 ma lalo o ka mana o Plesiosaurus macrocephalus. ^ E Ha yM. Loaʻa iā ia kona inoa no kona poʻo nui loa, i hoʻohālikelike ʻia me ka plesiosaurus ma mua. ʻO William Willoughby, ʻO Lord Cole, ma hope iho ʻo Earl Enniskillen (a he mea noiʻi ma ka Geological Society) loaʻa i ka fossil i ka makahiki 1831 no ka nui o 200 guineas - mau kālā gula English. Ma ʻApelila 4, 1838, ua hōʻike ʻo Richard Owen, i kahi hālāwai ma ka Geological Society of London, i kāna puke paʻi ʻana i ka wehewehe o Viscount Cole Plesiosaurus macrocephalus"." ʻO ka ʻōlelo BMNH R1336 he ʻano koikoi i mālama ʻia o kahi ʻōpiopio, ʻoi aku paha he ʻekolu mau mita ka lōʻihi, i kālai ʻia me kahi poloka. E waiho ʻia kēia lāpana i ka Hale Hōʻikeʻike ʻIʻike kūlohelohe o Nui Pelekane.

Nā kiʻi demoni a Thomas Hawkins plesiosaurs.

I ka hapa mua o ka kenekulia 19, ua nui ka nui o nā ʻike i ka plesiosaurs a nui ka mahalo, i ʻike ʻia i nā mea ʻike ma nā waihona kai o Lyme Regis. ʻO Sir Richard Owen wale nō i inoa i hoʻokahi haneli mau ʻano hou, akā ʻo ka hapanui o kā lākou wehewehe ʻana i hoʻokumu ʻia i ka iwi kaʻawale, me ka ʻokoʻa ʻimi ʻokoʻa e hiki ai iā lākou ke hoʻokaʻawale i nā ʻano lāʻau ʻē aʻe i hōʻike ʻia ma mua. ʻO ka hapa nui o kēia mau ʻano "ʻano hou" i hōʻike ʻia i kēia manawa ua ʻōlelo ʻole ʻole ʻia, aʻo kekahi mau mea i hāʻawi ʻia i kekahi genera a i ʻole nā ​​ʻohana ʻē aʻe. I ka makahiki 1841, ua kapa aku ʻo Owen i ka huaʻōlelo Pliosaurus hou - Pliosaurus brachydeirus. ^ E Ha yM. Aia kāna etymology a hoʻi i ka plesiosaurus ma mua ae hele mai ia mai Helene. πλεῖος (pleios) - "ʻoi aku ka nui," e like me ka manaʻo o Owen, ua ʻoi loa ʻo ia i nā lepua ma mua o ka plesiosaurus. ʻO kāna inoa kikoʻī ʻo ia ka "pōkole" pōkole. Ma hope mai, ʻike ʻia ka pliosaurids ma ke ʻano he morphologically i ʻokoʻa maoli mai nā plesiosaurids. Ohana Plesiosauridae ua hāʻawi ʻia e John Edward Grey i ka makahiki 1825, a i ka makahiki 1835, ua kipa ʻia ʻo Henry Marie Ducrot de Blainville i ka ʻoki kūʻokoʻa. Plesiosauria.

I ka hapa ʻelua o ka kenekulia 19, ua loaʻa nā ʻike nui ma waho o ʻEnelani, ka hapa nui o nā iwi o ka plesiosaurs i loaʻa i nā ʻaina o ka American Cretaceous Western Inland Sea, mai Nyobrara. ʻO kekahi o nā huaʻala, ʻo ia hoʻi, ka hōʻailona ʻana o ka hoʻomaka ʻana o ke Kaua Bone ma waena o ka poʻe pale pale poʻe hōkū me ʻElopa Kauka a me Otniel Charles Marsh. I ka makahiki 1867, ua ʻike ʻo Dr. Theophilus Turner i kahi kaʻe o ka plesiosaur kokoke i Fort Wallace ma Kansas, a hāʻawi ʻo ia i Cope. Ua hoʻāʻo ʻo Cope e hoʻihoʻi i ka holoholona e pili ana i ka manaʻo, ʻo ka hapa lōʻihi o ka pōkole ka huelo a me ka hapa pōkole. ʻAʻole i ʻike koke ʻo ia i nā kākala i hoʻokumu ʻia ma lalo o kona mau lima i kekahi mau ʻano kūikawā: ʻo ka vertebrae cervical i ko nā loʻi, a ʻo ka ʻekepeke neʻe i hope. ʻO ka hemahema, ua hoʻopau ʻo Cope i loaʻa i kahi hui hou o ka reptile: Streptosauria (streptosaurus) a i ʻole "rotated lizards", kahi i hoʻokaʻawale ʻia e ka revi vertebrae, ka ʻike ʻole o nā wāwae elima a me kahi huelo, e hāʻawi ana i ka neʻe nui. Ma hope o ke paʻi ʻana i ka wehewehe o kēia holoholona i ka 1868, ua ukali ʻia e kahi kiʻi kiʻi i kāna hana ma nā reptile a me nā amphibians, ua kono aku ʻo Cope iā Marsh lāua ʻo Joseph Lady i mea mahalo ʻia i kāna holoholona hou, āna i kapa aku ai. Elasmosaurus platyurus - elasmosaurus.

ʻO ka hana hou ʻana o ka Elasmosaurus (Cope, 1868)

Ke hoʻoponopono ʻia ʻo Elasmosaurus (Cope, 1869)

Ma hope o ka hoʻolohe ʻana i ka hoʻohalike ʻana o Cope, ua ʻōlelo aku ʻo Marsh i kahi wehewehe maʻalahi i ke ʻano ʻano ʻē ʻae ʻana ua kuhi hewa ʻo Cope i ke ʻano o ka pōkole. I ka hoʻopio ʻana o Cope i kēia ʻōlelo noʻonoʻo, ua lawe ʻo Lady i ka ʻūhā a kau i ka lula me ka caudal i loaʻa iā ia. Ua hoʻāʻo ka Modular Cope e huki i ka hoʻopuka o kāna mau hana, akā i ka hiki ʻole i ka hopena, hoʻopuka ʻo ia i kahi hoʻopiʻi i hana ʻia me kahi kiʻi hoʻohālike i hoʻololi ʻia, akā me kahi lā i paʻi ʻia. Aole i ae i kona kuhihewa, ka olelo ana ua kuhihewa ia e Wahine ia ia iho, ka mea nana e wehewehe i ka hai Cimoliasaurushoʻowili ʻia i ka ʻāwīwina o ka pōpoki. Ua ʻōlelo ʻo Marsh ma ke kumu kēia o kāna hoʻokūkū me Cope: "Mai ia manawa, ua lilo ʻo ia i ʻenemi ʻeha oʻu." Ma hope mai, ua kapa ʻia ʻo Cope lāua ʻo Marsh i kā lāua hakakā ʻana, ua kapa ʻia i nā ʻano genera hou a me nā ʻano ʻano plesiosaurs, ʻo ka hapa nui o kēia manawa i manaʻo ʻia he hewa.

ʻO Plesiosaurs mai ka puke "Water Reptiles of the Past and Present", hōʻike ʻia e Albert Kull, 1914.

I ka hoʻomaka ʻana o nā kenekulia 20, ʻo ka hapanui o nā haʻawina o ka plesiosaurs e mālama ʻia e kekahi haumāna mua o Marsh, ʻo ʻAkelē Samuel Wendell Williston. I ka makahiki 1914, hoʻopuka ʻo Williston i kāna hana, "Water Reptiles of the Past and Present," no nā makahiki he nui ka nui o ka palahalaha ākea loa ma ka plesiosaurs. Ma 2013 wale nō ka puke mua o kēia puke i paʻi ʻia e Olivier Rippel. I ka makahiki waena o ka iwakāluakūmālua, ua noho ʻo ʻAmelika Hui Pū ʻIa nui i noiʻi nui, ma muli o nā mea i ʻike ʻia ʻo Samuel Paul Wells. I ka makahiki 19 a me ka hapa nui o nā kenekulia 20, ua wehewehe ʻia ka plesiosaurs hou i ʻekolu a i ʻole ʻehā genera i kēlā me kēia makahiki, akā ua hoʻonui koke ʻia kēia ʻano i nā makahiki 1990: he ʻumikumamāhiku inoa inoa inoa no nā plesiosaurs i wehewehe ʻia i loko o kēia manawa. ʻO ka holo ʻana o ka loaʻa i ka wikiwiki a ma ka hoʻomaka ʻana o ke kenekulia 21, ʻo kēlā me kēia makahiki e pili ana i ʻekolu a ʻehā paha mau wahi hou o ka plesiosaurs. ʻO kēia ka hopena ua hiki i kēia hopena i hoʻomaikaʻi i nā ʻimi loiloi hou loa.

No ka wā lōʻihi, ʻo ke koena o nā mea he nui o ka nui o nā lau moana i hānau ʻia i kēia genus. Ehia mauʻano o ke kau i kau ʻia ma ka plesiosaurus i kēia manawa ua inoa inoa ʻia a ʻo ka hapa nui o lākou ʻaʻole kekahi i loko o ka ʻohana Plesiosauridae. No ka hoʻohālikelike, ua hoʻololi hou ʻia ʻo Plesiosaurus rostratus a me Plesiosaurus conybeari Archaeonectrus (ʻĀpekiʻonika) a Attenborosaurus (atenborosaurus), kēlā me kēia, kahi kokoke i ka pliosaurids.

ʻO Storrs i ka 1997 i hōʻemi i ka nui o nā ʻano kūpono o plesiosaurus i ʻekolu. Eia naʻe, ʻelua o lākou i hōʻike i nā hiʻohiʻona hiʻohiʻona e pono ai ka hoʻokaʻawale ʻana i nā pedigrees: ʻo "Plesiosaurus" guilielmiiperatoris i kēia lā ua manaʻo ʻia ʻo ia Seeleyosaurus, i manaʻo ʻia ua inoa nei i kekahi mau makahiki i hala aku nei a hoʻihoʻi ʻia e Grossman (2007), a ua ʻike ʻia kēia inoa ʻo "Plesiosaurus" brachypterygius e ka inoa gidrion - Hikina. ^ E Ha yM. I kēia manawa, aia nā huaʻōlelo Plesiosaurus hoʻokahi wale nō nā ʻano mea kūpono - P. dolichodeirusaka ke kueu nei nae kekahi mau mea pili e pili ana i ka plesiosaurus. No ka laʻana, "Plesiosaurus" macrocephalus he keiki ʻōpio ʻo Romaleosaurid. Rhomaleosauridae - he ʻohana kēia o Jurassic plesiosaurs, e noho ana ma waena o nā wahi i waena o nā plesiosaurs a me nā pliosaurs, inā paha he ʻāʻī iki a mākole a me ke poʻo elongated.