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Table 2 Rearrangements of chromosomes 4, 6, 8, and 9 of Trichechus manatus latirostris (TML) in representatives of Paenungulata: Loxodonta africana (LAF) and Procavia capensis (PCA), data from Pardini et al. [2] and from present study on Trichechus inunguis (TIN)

From: Ancestral chromosomal signatures of Paenungulata (Afroteria) reveal the karyotype of Amazonian manatee (Trichechus inunguis, Sirenia: Trichechidae) as the oldest among American manatees

Species

2n

TML 4

TML 6

TML 8

TML 9

PROBOSCIDEA

Loxodonta africana

56

LAF 23 (TML 4p) LAF 12p-qprox (TML 4q-prox) LAF 7 (TML 4q-dist)

LAF 1p (TML 6p) LAF 8 (TML 6q)

LAF 17q-dist (TML 8p) LAF 21pq-prox (TML 8q-prox) LAF 22 (TML 8q-dist)

LAF 14q-dist (TML 9p) LAF 19 (TML 9q)

HYRACOIDEA

Procavia capensis

54

PCA 24 (TML 4p) PCA 7 (TML 4q)

PCA 16q-dist (TML 6p) PCA 9 (TML 6q)

PCA 10pq-prox (TML 8p) PCA 18 (TML 8q)

PCA 20 (TML 9p) PCA 14 (TML 9q)

SIRENIA

Trichechus inunguis

56

TIN 26 (TML 4p) TIN 16 (TML 4q)

TIN 27 (TML 6p) TIN 15 (TML 6q)

TIN 22 (TML 8p) TIN 19 (TML 8q)

TIN 25 (TML 9p) TIN 24 (TML 9q)