Hrycgdēor

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Gān tō: þurhfōr, sēcan
Hweorfdēor
Alosa sapidissima (line art).jpg
Sum hweorfdēor.
Cræftlicu endebyrdung
Rīce: Animalia
Stefn: Chordata
Understefn: Vertebrata

Þā hrycgdēor (ēac hweorfdēor hātaþ) sind dēor in þǣm understefne Vertebrata (in stefne Chordata). Hīe sind gemearcod mid hira bānhringum. Man hæfþ 57,739 cynna bānhringdēora undersōht.

Eall bānhringdēor habbaþ ge sƿeotollīce tōcnāwenlicu hēafod and ēagan.

Eall sycedēor, fuglas, snaccynn, and fiscas sind hweorfdēor.

Sēo ēac[adihtan]