Hrycgdēor
| Hƿeorfdēor | ||||||
|---|---|---|---|---|---|---|
.jpg) Sum hƿeorfdēor. | ||||||
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Þā hrycgdēor (ēac hƿeorfdēor 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 tōcnāƿenlicu hēafod and ēagan.
Eall sycedēor, fuglas, snaccynn, and fiscas sind hƿeorfdēor.