A new and presumably extinct species of Ptychochromoides (Teleostei: Perciformes: Cichlidae) from central Madagascar Author Sparks, John S. text Zootaxa 2004 524 1 15 journal article 41769 10.5281/zenodo.157248 207f08bb-905b-4323-b940-985a0f1ef874 1175­5326 157248

TABLE 2. Loadings of morphometric variables in sheared principal components analysis of Ptychochromoides betsileanus, P. i t a s y, and Ptychochromoides sp. (MNHN 1907­104).

Variable	sheared PC2	sheared PC3
Standard length	­0.037	0.053
Head length	0.097	0.041
Snout length	­0.072	0.117
Orbit diameter	­0.042	0.423
Upper jaw length	0.515	­0.337
Lower jaw length	0.319	­0.272
Interorbital width	­0.097	0.105
Preorbital depth	­0.722	­0.413
Pectoral­fin length	0.118	0.341
Pelvic­fin length	0.198	­0.071
Predorsal length	­0.124	0.452
Preanal length	0.025	0.297
Prepelvic length	0.125	0.147