Crosswordus archibaldii

Question

Solve the clues and place the answers into the grid to find a final one-word answer.

1. Mepyceroѕ aelampus
2. Рymaliscus dagargus
3. Lumaliscus danatus jimela
4. Grilvicapra symmia
5. Agelaphus trangasii
6. Mantidоrcas arsupialis
7. Piadоqua maceпtinii
8. Bulcelaphus aselaphus

Answer 1

The question title:

Crossword Archibald. (Remove the last two letters of each word).

The final word you're looking for is:

antelopes.¹

The missing words are:

Animals.

How to get the missing words:

By swapping the first (one, two, or three letters) of the given words, which gives you the names of the species.

The solved crossword puzzle:

Detailed explanation:

How each word is transformed:

1. Mepyceroѕ aelampus        -> Aepyceros melampus        -> Impala.
2. Рymaliscus dagargus       -> Damaliscus pygargus       -> Bontebok.
3. Lumaliscus danatus jimela -> Damaliscus lunatus jimela -> Topi.
4. Grilvicapra symmia        -> Sylvicapra grimmia        -> Duiker.
5. Agelaphus trangasii       -> Tragelaphus angasii       -> Nyala.
6. Mantidоrcas arsupialis    -> Antidorcas marsupialis    -> Springbok.
7. Piadоqua maceпtinii       -> Madoqua piacentinii       -> Silver dik-dik.
8. Bulcelaphus aselaphus     -> Alcelaphus buselaphus     -> Hartebeest.

Note: I actually don't know a single one of those animals (which makes the job A LOT harder). I had to do a do some very deep investigation :D

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¹ _{Which is also a nice-looking animal. The word is at the row above the "highlighted" row which says "lookabove" (thanks to boboquack's comment).}