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===Skull===
===Skull===
Contrary to a 1927 report by pterosaur researcher [[Ferdinand Broili]], ''Rhamphorhynchus'' lacked any bony or soft tissue crest, as seen in several species of contemporary small pterodactyloid pterosaurs. Broili claimed to have found a two-millimeter-tall crest made of thin bone that ran much of the skull's length in one ''Rhamphorhynchus'' specimen, evidenced by an impression in the surrounding rock and a few small fragments of the crest itself.<ref name="broili1927">{{Cite journal | last1 = Broili | first1 = F. | year = 1927 | title = Ein Exemplar von ''Rhamphorhynchus'' mit Resten von Schwimmhaut | journal = Sitzungs-Berichte der Bayerischen Akademie der Wissenschaften Mathematisch Naturwissenschaftlichen Abteilung | volume = 1927 | pages = 29–48 }}</ref> However, subsequent examination of this specimen by Wellnhofer in 1975 and Bennett in 2002 using both visible and ultraviolet light found no trace of a crest; both concluded that Broili was mistaken. The supposed crest, they concluded, was simply an artifact of preservation.<ref name="wellnhofer1975">{{cite journal | last1 = Wellnhofer | first1 = P. | year = 1975 | title = Die Rhamphorhynchoidea (Pterosauria) der Oberjura-Plattenkalke Süddeutschlands | journal = Palaeontographica A | volume = 148 | pages = 1–33 }}, '''148''': 132-186, '''149''': 1-30.</ref><ref name="bennett2002">{{Cite journal | doi = 10.1671/0272-4634(2002)022[0043:STPOTC]2.0.CO;2 | last1 = Bennett | first1 = S.C. | year = 2002 | title = Soft tissue preservation of the cranial crest of the pterosaur ''Germanodactylus'' from Solnhofen | journal = Journal of Vertebrate Paleontology | volume = 22 | issue = 1| pages = 43–48 | s2cid = 86308635 }}</ref> The teeth of ''Rhamphorhynchus'' intermesh when the jaw is closed and are suggestive of a [[Piscivore|piscivorous]] diet.<ref name="cranfield-Rhamphorhynchus" /> There are twenty teeth in the upper jaws and fourteen in the lower jaws.<ref name="cranfield-Rhamphorhynchus" />
Contrary to a 1927 report by pterosaur researcher [[Ferdinand Broili]], ''Rhamphorhynchus'' lacked any bony or soft tissue crest, as seen in several species of contemporary small pterodactyloid pterosaurs. Broili claimed to have found a two-millimeter-tall crest made of thin bone that ran much of the skull's length in one ''Rhamphorhynchus'' specimen, evidenced by an impression in the surrounding rock and a few small fragments of the crest itself.<ref name="broili1927">{{Cite journal | last1 = Broili | first1 = F. | year = 1927 | title = Ein Exemplar von ''Rhamphorhynchus'' mit Resten von Schwimmhaut | journal = Sitzungs-Berichte der Bayerischen Akademie der Wissenschaften Mathematisch Naturwissenschaftlichen Abteilung | volume = 1927 | pages = 29–48 }}</ref> However, subsequent examination of this specimen by Wellnhofer in 1975 and Bennett in 2002 using both visible and ultraviolet light found no trace of a crest; both concluded that Broili was mistaken. The supposed crest, they concluded, was simply an artifact of preservation.<ref name="wellnhofer1975">{{cite journal | last1 = Wellnhofer | first1 = P. | year = 1975 | title = Die Rhamphorhynchoidea (Pterosauria) der Oberjura-Plattenkalke Süddeutschlands | journal = Palaeontographica A | volume = 148 | pages = 1–33 }}, '''148''': 132-186, '''149''': 1-30.</ref><ref name="bennett2002">{{Cite journal | doi = 10.1671/0272-4634(2002)022[0043:STPOTC]2.0.CO;2 | last1 = Bennett | first1 = S.C. | year = 2002 | title = Soft tissue preservation of the cranial crest of the pterosaur ''Germanodactylus'' from Solnhofen | journal = Journal of Vertebrate Paleontology | volume = 22 | issue = 1| pages = 43–48 }}</ref> The teeth of ''Rhamphorhynchus'' intermesh when the jaw is closed and are suggestive of a [[Piscivore|piscivorous]] diet.<ref name="cranfield-Rhamphorhynchus" /> There are twenty teeth in the upper jaws and fourteen in the lower jaws.<ref name="cranfield-Rhamphorhynchus" />


==Paleobiology==
==Paleobiology==
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