符合的藏品

共找到 5 筆符合的資料

中文種名:低鰭?

and Crista inferior well-developed, both poorly-developed to absent at extremes. Neck dorso-ventrally.....more

1/5

, large in ostium and extended over excisura. Crista superior and crista inferior well-developed. Neck.....more

2/5

inferior well-developed. Neck dorso-ventrally constricted. Rostrum extended, rounded, downward. Excisura.....more

3/5

well-developed. Neck dorso-ventrally constricted. Rostrum extended, rounded. Excisura moderate.....more

4/5

and extended over excisura. Collum raised largely. Crista superior and crista inferior well-developed.....more

5/5