3 Clues Left

[crosswordfan]

1...First creature to be classified by lexicographers(8)...L???????
2...After the birth of Christ, to begin, there comes a time before Christ's birth(6)...A?????
3...You'll never see sailors have this liberty at sea, paradoxically(2,3,5)...On THEe ?????

[Captain2]

3 In the main

[Captain2]

2 AD-vent

[Captain2]

Aardvark?

[crosswordfan]

Thanks Captain2 but third word has 5 letters

[Captain2]

Apologies Xwordfan ...... I'll have a rethink.

[Mamyalynne]

On the drink ?

[donny48]

In the drink may fit better,Mamaylynne

[dannyk13]

On the drink?

[Mamyalynne]

When you're sailing you are 'on' the drink(sea) was my thinking.

[donny48]

http://www.theanswerbank.co.uk/Quizzes-and-Puzzles/Crosswords/Question1544067.html
Gives the second letter of last word as "R"

[Captain2]

I agree with Mamya - for what it's worth ;))

[Mamyalynne]

Mind you if they've been on the drink they could end up in the drink if they got too paradoxical ;-)

[donny48]

Could the poster give us any other crossers, it's from RT13 ?

[Captain2]

I think we're agreed on 'the drink' and don't think we'll get a crosser for thr 'I' or 'O' so it's take your pick time.

[Mamyalynne]

RTE I think.